Logarithm Table for base 261
This page shows the logarithm table for base 261, in blocks of 100 values — each block covers one whole number N (its row lists N.0 through N.9, and each row's 10 columns walk the hundredths digit 0 through 9). Hover any cell to trace it back to its row and column, or print a block directly from its own header.
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Logarithm Table for base 261 — N = 1.00–1.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1.0 | 0.000000 | 0.001788 | 0.003559 | 0.005312 | 0.007048 | 0.008768 | 0.010472 | 0.012159 | 0.013831 | 0.015487 |
| 1.1 | 0.017128 | 0.018755 | 0.020366 | 0.021964 | 0.023547 | 0.025117 | 0.026673 | 0.028215 | 0.029745 | 0.031261 |
| 1.2 | 0.032765 | 0.034256 | 0.035735 | 0.037203 | 0.038658 | 0.040101 | 0.041533 | 0.042954 | 0.044363 | 0.045762 |
| 1.3 | 0.047149 | 0.048527 | 0.049893 | 0.051250 | 0.052596 | 0.053932 | 0.055258 | 0.056575 | 0.057882 | 0.059179 |
| 1.4 | 0.060467 | 0.061747 | 0.063017 | 0.064278 | 0.065530 | 0.066774 | 0.068009 | 0.069236 | 0.070454 | 0.071664 |
| 1.5 | 0.072866 | 0.074060 | 0.075246 | 0.076425 | 0.077596 | 0.078759 | 0.079914 | 0.081063 | 0.082204 | 0.083338 |
| 1.6 | 0.084464 | 0.085584 | 0.086697 | 0.087803 | 0.088902 | 0.089994 | 0.091080 | 0.092160 | 0.093232 | 0.094299 |
| 1.7 | 0.095359 | 0.096413 | 0.097461 | 0.098503 | 0.099539 | 0.100569 | 0.101593 | 0.102611 | 0.103623 | 0.104630 |
| 1.8 | 0.105631 | 0.106627 | 0.107617 | 0.108602 | 0.109581 | 0.110555 | 0.111524 | 0.112487 | 0.113446 | 0.114399 |
| 1.9 | 0.115348 | 0.116291 | 0.117229 | 0.118163 | 0.119092 | 0.120016 | 0.120935 | 0.121849 | 0.122759 | 0.123665 |
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Logarithm Table for base 261 — N = 2.00–2.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2.0 | 0.124565 | 0.125462 | 0.126354 | 0.127241 | 0.128124 | 0.129003 | 0.129877 | 0.130748 | 0.131614 | 0.132476 |
| 2.1 | 0.133334 | 0.134187 | 0.135037 | 0.135883 | 0.136724 | 0.137562 | 0.138396 | 0.139226 | 0.140052 | 0.140875 |
| 2.2 | 0.141694 | 0.142509 | 0.143320 | 0.144128 | 0.144932 | 0.145732 | 0.146529 | 0.147323 | 0.148113 | 0.148899 |
| 2.3 | 0.149682 | 0.150462 | 0.151238 | 0.152011 | 0.152781 | 0.153547 | 0.154310 | 0.155070 | 0.155827 | 0.156580 |
| 2.4 | 0.157330 | 0.158078 | 0.158822 | 0.159563 | 0.160301 | 0.161036 | 0.161768 | 0.162497 | 0.163223 | 0.163946 |
| 2.5 | 0.164667 | 0.165384 | 0.166099 | 0.166810 | 0.167519 | 0.168225 | 0.168929 | 0.169629 | 0.170327 | 0.171022 |
| 2.6 | 0.171715 | 0.172405 | 0.173092 | 0.173777 | 0.174459 | 0.175138 | 0.175815 | 0.176489 | 0.177161 | 0.177830 |
| 2.7 | 0.178497 | 0.179162 | 0.179824 | 0.180483 | 0.181140 | 0.181795 | 0.182447 | 0.183097 | 0.183745 | 0.184390 |
| 2.8 | 0.185033 | 0.185674 | 0.186312 | 0.186948 | 0.187582 | 0.188214 | 0.188843 | 0.189470 | 0.190096 | 0.190718 |
| 2.9 | 0.191339 | 0.191958 | 0.192574 | 0.193189 | 0.193801 | 0.194411 | 0.195019 | 0.195625 | 0.196230 | 0.196832 |
Logarithm Table for base 261 — N = 3.00–3.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 3.0 | 0.197432 | 0.198030 | 0.198626 | 0.199220 | 0.199812 | 0.200402 | 0.200990 | 0.201577 | 0.202161 | 0.202744 |
| 3.1 | 0.203324 | 0.203903 | 0.204480 | 0.205055 | 0.205628 | 0.206200 | 0.206769 | 0.207337 | 0.207903 | 0.208467 |
| 3.2 | 0.209030 | 0.209591 | 0.210150 | 0.210707 | 0.211262 | 0.211816 | 0.212368 | 0.212919 | 0.213467 | 0.214014 |
| 3.3 | 0.214560 | 0.215104 | 0.215646 | 0.216186 | 0.216725 | 0.217262 | 0.217798 | 0.218332 | 0.218864 | 0.219395 |
| 3.4 | 0.219925 | 0.220452 | 0.220979 | 0.221503 | 0.222027 | 0.222548 | 0.223068 | 0.223587 | 0.224104 | 0.224620 |
| 3.5 | 0.225134 | 0.225647 | 0.226158 | 0.226668 | 0.227176 | 0.227683 | 0.228189 | 0.228693 | 0.229195 | 0.229697 |
| 3.6 | 0.230197 | 0.230695 | 0.231192 | 0.231688 | 0.232182 | 0.232675 | 0.233167 | 0.233657 | 0.234146 | 0.234634 |
| 3.7 | 0.235120 | 0.235606 | 0.236089 | 0.236572 | 0.237053 | 0.237533 | 0.238011 | 0.238489 | 0.238965 | 0.239440 |
| 3.8 | 0.239913 | 0.240385 | 0.240856 | 0.241326 | 0.241795 | 0.242262 | 0.242728 | 0.243193 | 0.243657 | 0.244120 |
| 3.9 | 0.244581 | 0.245041 | 0.245500 | 0.245958 | 0.246415 | 0.246870 | 0.247325 | 0.247778 | 0.248230 | 0.248681 |
Logarithm Table for base 261 — N = 4.00–4.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 4.0 | 0.249131 | 0.249580 | 0.250027 | 0.250474 | 0.250919 | 0.251363 | 0.251807 | 0.252249 | 0.252690 | 0.253130 |
| 4.1 | 0.253568 | 0.254006 | 0.254443 | 0.254879 | 0.255313 | 0.255747 | 0.256179 | 0.256611 | 0.257041 | 0.257471 |
| 4.2 | 0.257899 | 0.258326 | 0.258753 | 0.259178 | 0.259602 | 0.260026 | 0.260448 | 0.260870 | 0.261290 | 0.261709 |
| 4.3 | 0.262128 | 0.262545 | 0.262962 | 0.263377 | 0.263792 | 0.264205 | 0.264618 | 0.265030 | 0.265440 | 0.265850 |
| 4.4 | 0.266259 | 0.266667 | 0.267074 | 0.267480 | 0.267886 | 0.268290 | 0.268693 | 0.269096 | 0.269497 | 0.269898 |
| 4.5 | 0.270298 | 0.270697 | 0.271095 | 0.271492 | 0.271888 | 0.272284 | 0.272678 | 0.273072 | 0.273465 | 0.273856 |
| 4.6 | 0.274248 | 0.274638 | 0.275027 | 0.275416 | 0.275804 | 0.276190 | 0.276576 | 0.276962 | 0.277346 | 0.277730 |
| 4.7 | 0.278112 | 0.278494 | 0.278876 | 0.279256 | 0.279635 | 0.280014 | 0.280392 | 0.280769 | 0.281146 | 0.281521 |
| 4.8 | 0.281896 | 0.282270 | 0.282643 | 0.283016 | 0.283387 | 0.283758 | 0.284128 | 0.284498 | 0.284866 | 0.285234 |
| 4.9 | 0.285601 | 0.285968 | 0.286333 | 0.286698 | 0.287063 | 0.287426 | 0.287789 | 0.288151 | 0.288512 | 0.288872 |
Logarithm Table for base 261 — N = 5.00–5.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 5.0 | 0.289232 | 0.289591 | 0.289950 | 0.290307 | 0.290664 | 0.291020 | 0.291376 | 0.291731 | 0.292085 | 0.292438 |
| 5.1 | 0.292791 | 0.293143 | 0.293494 | 0.293845 | 0.294195 | 0.294544 | 0.294893 | 0.295241 | 0.295588 | 0.295935 |
| 5.2 | 0.296280 | 0.296626 | 0.296970 | 0.297314 | 0.297658 | 0.298000 | 0.298342 | 0.298683 | 0.299024 | 0.299364 |
| 5.3 | 0.299704 | 0.300042 | 0.300380 | 0.300718 | 0.301055 | 0.301391 | 0.301727 | 0.302062 | 0.302396 | 0.302730 |
| 5.4 | 0.303063 | 0.303395 | 0.303727 | 0.304058 | 0.304389 | 0.304719 | 0.305049 | 0.305377 | 0.305706 | 0.306033 |
| 5.5 | 0.306360 | 0.306687 | 0.307013 | 0.307338 | 0.307663 | 0.307987 | 0.308310 | 0.308633 | 0.308955 | 0.309277 |
| 5.6 | 0.309598 | 0.309919 | 0.310239 | 0.310559 | 0.310877 | 0.311196 | 0.311514 | 0.311831 | 0.312148 | 0.312464 |
| 5.7 | 0.312779 | 0.313094 | 0.313409 | 0.313723 | 0.314036 | 0.314349 | 0.314661 | 0.314973 | 0.315284 | 0.315595 |
| 5.8 | 0.315905 | 0.316214 | 0.316523 | 0.316832 | 0.317140 | 0.317447 | 0.317754 | 0.318061 | 0.318366 | 0.318672 |
| 5.9 | 0.318977 | 0.319281 | 0.319585 | 0.319888 | 0.320191 | 0.320493 | 0.320795 | 0.321096 | 0.321397 | 0.321697 |
Logarithm Table for base 261 — N = 6.00–6.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 6.0 | 0.321997 | 0.322296 | 0.322595 | 0.322893 | 0.323191 | 0.323488 | 0.323785 | 0.324082 | 0.324377 | 0.324673 |
| 6.1 | 0.324968 | 0.325262 | 0.325556 | 0.325849 | 0.326142 | 0.326435 | 0.326727 | 0.327018 | 0.327309 | 0.327600 |
| 6.2 | 0.327890 | 0.328179 | 0.328469 | 0.328757 | 0.329045 | 0.329333 | 0.329621 | 0.329907 | 0.330194 | 0.330480 |
| 6.3 | 0.330765 | 0.331050 | 0.331335 | 0.331619 | 0.331903 | 0.332186 | 0.332469 | 0.332751 | 0.333033 | 0.333314 |
| 6.4 | 0.333595 | 0.333876 | 0.334156 | 0.334436 | 0.334715 | 0.334994 | 0.335272 | 0.335550 | 0.335828 | 0.336105 |
| 6.5 | 0.336382 | 0.336658 | 0.336934 | 0.337209 | 0.337484 | 0.337759 | 0.338033 | 0.338307 | 0.338580 | 0.338853 |
| 6.6 | 0.339125 | 0.339397 | 0.339669 | 0.339940 | 0.340211 | 0.340482 | 0.340752 | 0.341021 | 0.341291 | 0.341559 |
| 6.7 | 0.341828 | 0.342096 | 0.342363 | 0.342631 | 0.342897 | 0.343164 | 0.343430 | 0.343696 | 0.343961 | 0.344226 |
| 6.8 | 0.344490 | 0.344754 | 0.345018 | 0.345281 | 0.345544 | 0.345807 | 0.346069 | 0.346331 | 0.346592 | 0.346853 |
| 6.9 | 0.347114 | 0.347374 | 0.347634 | 0.347893 | 0.348153 | 0.348411 | 0.348670 | 0.348928 | 0.349185 | 0.349443 |
Logarithm Table for base 261 — N = 7.00–7.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 7.0 | 0.349700 | 0.349956 | 0.350212 | 0.350468 | 0.350724 | 0.350979 | 0.351233 | 0.351488 | 0.351742 | 0.351995 |
| 7.1 | 0.352249 | 0.352502 | 0.352754 | 0.353006 | 0.353258 | 0.353510 | 0.353761 | 0.354012 | 0.354262 | 0.354512 |
| 7.2 | 0.354762 | 0.355012 | 0.355261 | 0.355509 | 0.355758 | 0.356006 | 0.356253 | 0.356501 | 0.356748 | 0.356995 |
| 7.3 | 0.357241 | 0.357487 | 0.357733 | 0.357978 | 0.358223 | 0.358468 | 0.358712 | 0.358956 | 0.359200 | 0.359443 |
| 7.4 | 0.359686 | 0.359929 | 0.360171 | 0.360413 | 0.360655 | 0.360896 | 0.361137 | 0.361378 | 0.361618 | 0.361858 |
| 7.5 | 0.362098 | 0.362338 | 0.362577 | 0.362816 | 0.363054 | 0.363292 | 0.363530 | 0.363768 | 0.364005 | 0.364242 |
| 7.6 | 0.364479 | 0.364715 | 0.364951 | 0.365187 | 0.365422 | 0.365657 | 0.365892 | 0.366126 | 0.366360 | 0.366594 |
| 7.7 | 0.366828 | 0.367061 | 0.367294 | 0.367527 | 0.367759 | 0.367991 | 0.368223 | 0.368454 | 0.368685 | 0.368916 |
| 7.8 | 0.369147 | 0.369377 | 0.369607 | 0.369836 | 0.370066 | 0.370295 | 0.370524 | 0.370752 | 0.370980 | 0.371208 |
| 7.9 | 0.371436 | 0.371663 | 0.371890 | 0.372117 | 0.372344 | 0.372570 | 0.372796 | 0.373021 | 0.373247 | 0.373472 |
Logarithm Table for base 261 — N = 8.00–8.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 8.0 | 0.373696 | 0.373921 | 0.374145 | 0.374369 | 0.374593 | 0.374816 | 0.375039 | 0.375262 | 0.375485 | 0.375707 |
| 8.1 | 0.375929 | 0.376151 | 0.376372 | 0.376593 | 0.376814 | 0.377035 | 0.377255 | 0.377475 | 0.377695 | 0.377915 |
| 8.2 | 0.378134 | 0.378353 | 0.378572 | 0.378790 | 0.379008 | 0.379226 | 0.379444 | 0.379662 | 0.379879 | 0.380096 |
| 8.3 | 0.380312 | 0.380529 | 0.380745 | 0.380961 | 0.381176 | 0.381392 | 0.381607 | 0.381822 | 0.382036 | 0.382250 |
| 8.4 | 0.382465 | 0.382678 | 0.382892 | 0.383105 | 0.383318 | 0.383531 | 0.383744 | 0.383956 | 0.384168 | 0.384380 |
| 8.5 | 0.384591 | 0.384803 | 0.385014 | 0.385224 | 0.385435 | 0.385645 | 0.385855 | 0.386065 | 0.386275 | 0.386484 |
| 8.6 | 0.386693 | 0.386902 | 0.387111 | 0.387319 | 0.387527 | 0.387735 | 0.387943 | 0.388150 | 0.388357 | 0.388564 |
| 8.7 | 0.388771 | 0.388977 | 0.389183 | 0.389389 | 0.389595 | 0.389801 | 0.390006 | 0.390211 | 0.390416 | 0.390620 |
| 8.8 | 0.390825 | 0.391029 | 0.391233 | 0.391436 | 0.391640 | 0.391843 | 0.392046 | 0.392249 | 0.392451 | 0.392653 |
| 8.9 | 0.392855 | 0.393057 | 0.393259 | 0.393460 | 0.393661 | 0.393862 | 0.394063 | 0.394263 | 0.394463 | 0.394663 |
Logarithm Table for base 261 — N = 9.00–9.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 9.0 | 0.394863 | 0.395063 | 0.395262 | 0.395461 | 0.395660 | 0.395859 | 0.396057 | 0.396256 | 0.396454 | 0.396651 |
| 9.1 | 0.396849 | 0.397046 | 0.397244 | 0.397440 | 0.397637 | 0.397834 | 0.398030 | 0.398226 | 0.398422 | 0.398618 |
| 9.2 | 0.398813 | 0.399008 | 0.399203 | 0.399398 | 0.399593 | 0.399787 | 0.399981 | 0.400175 | 0.400369 | 0.400563 |
| 9.3 | 0.400756 | 0.400949 | 0.401142 | 0.401335 | 0.401527 | 0.401719 | 0.401912 | 0.402103 | 0.402295 | 0.402487 |
| 9.4 | 0.402678 | 0.402869 | 0.403060 | 0.403251 | 0.403441 | 0.403631 | 0.403821 | 0.404011 | 0.404201 | 0.404390 |
| 9.5 | 0.404580 | 0.404769 | 0.404958 | 0.405146 | 0.405335 | 0.405523 | 0.405711 | 0.405899 | 0.406087 | 0.406274 |
| 9.6 | 0.406461 | 0.406649 | 0.406835 | 0.407022 | 0.407209 | 0.407395 | 0.407581 | 0.407767 | 0.407953 | 0.408138 |
| 9.7 | 0.408324 | 0.408509 | 0.408694 | 0.408879 | 0.409063 | 0.409248 | 0.409432 | 0.409616 | 0.409800 | 0.409983 |
| 9.8 | 0.410167 | 0.410350 | 0.410533 | 0.410716 | 0.410899 | 0.411082 | 0.411264 | 0.411446 | 0.411628 | 0.411810 |
| 9.9 | 0.411991 | 0.412173 | 0.412354 | 0.412535 | 0.412716 | 0.412897 | 0.413077 | 0.413258 | 0.413438 | 0.413618 |
Logarithm Table for base 261 — N = 10.00–10.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 10.0 | 0.413798 | 0.413977 | 0.414157 | 0.414336 | 0.414515 | 0.414694 | 0.414873 | 0.415051 | 0.415230 | 0.415408 |
| 10.1 | 0.415586 | 0.415764 | 0.415941 | 0.416119 | 0.416296 | 0.416473 | 0.416650 | 0.416827 | 0.417004 | 0.417180 |
| 10.2 | 0.417356 | 0.417532 | 0.417708 | 0.417884 | 0.418060 | 0.418235 | 0.418410 | 0.418585 | 0.418760 | 0.418935 |
| 10.3 | 0.419110 | 0.419284 | 0.419458 | 0.419632 | 0.419806 | 0.419980 | 0.420153 | 0.420327 | 0.420500 | 0.420673 |
| 10.4 | 0.420846 | 0.421019 | 0.421191 | 0.421364 | 0.421536 | 0.421708 | 0.421880 | 0.422051 | 0.422223 | 0.422394 |
| 10.5 | 0.422566 | 0.422737 | 0.422908 | 0.423078 | 0.423249 | 0.423419 | 0.423590 | 0.423760 | 0.423930 | 0.424099 |
| 10.6 | 0.424269 | 0.424439 | 0.424608 | 0.424777 | 0.424946 | 0.425115 | 0.425283 | 0.425452 | 0.425620 | 0.425788 |
| 10.7 | 0.425957 | 0.426124 | 0.426292 | 0.426460 | 0.426627 | 0.426794 | 0.426961 | 0.427128 | 0.427295 | 0.427462 |
| 10.8 | 0.427628 | 0.427795 | 0.427961 | 0.428127 | 0.428293 | 0.428458 | 0.428624 | 0.428789 | 0.428955 | 0.429120 |
| 10.9 | 0.429285 | 0.429449 | 0.429614 | 0.429779 | 0.429943 | 0.430107 | 0.430271 | 0.430435 | 0.430599 | 0.430762 |
Logarithm Table for base 261 — N = 11.00–11.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 11.0 | 0.430926 | 0.431089 | 0.431252 | 0.431415 | 0.431578 | 0.431741 | 0.431903 | 0.432066 | 0.432228 | 0.432390 |
| 11.1 | 0.432552 | 0.432714 | 0.432876 | 0.433037 | 0.433199 | 0.433360 | 0.433521 | 0.433682 | 0.433843 | 0.434003 |
| 11.2 | 0.434164 | 0.434324 | 0.434485 | 0.434645 | 0.434805 | 0.434964 | 0.435124 | 0.435284 | 0.435443 | 0.435602 |
| 11.3 | 0.435761 | 0.435920 | 0.436079 | 0.436238 | 0.436396 | 0.436555 | 0.436713 | 0.436871 | 0.437029 | 0.437187 |
| 11.4 | 0.437345 | 0.437502 | 0.437660 | 0.437817 | 0.437974 | 0.438131 | 0.438288 | 0.438445 | 0.438601 | 0.438758 |
| 11.5 | 0.438914 | 0.439070 | 0.439226 | 0.439382 | 0.439538 | 0.439694 | 0.439849 | 0.440005 | 0.440160 | 0.440315 |
| 11.6 | 0.440470 | 0.440625 | 0.440780 | 0.440934 | 0.441089 | 0.441243 | 0.441397 | 0.441551 | 0.441705 | 0.441859 |
| 11.7 | 0.442013 | 0.442166 | 0.442320 | 0.442473 | 0.442626 | 0.442779 | 0.442932 | 0.443085 | 0.443237 | 0.443390 |
| 11.8 | 0.443542 | 0.443694 | 0.443847 | 0.443998 | 0.444150 | 0.444302 | 0.444454 | 0.444605 | 0.444756 | 0.444908 |
| 11.9 | 0.445059 | 0.445210 | 0.445361 | 0.445511 | 0.445662 | 0.445812 | 0.445963 | 0.446113 | 0.446263 | 0.446413 |
Logarithm Table for base 261 — N = 12.00–12.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 12.0 | 0.446563 | 0.446712 | 0.446862 | 0.447011 | 0.447161 | 0.447310 | 0.447459 | 0.447608 | 0.447757 | 0.447905 |
| 12.1 | 0.448054 | 0.448202 | 0.448351 | 0.448499 | 0.448647 | 0.448795 | 0.448943 | 0.449091 | 0.449238 | 0.449386 |
| 12.2 | 0.449533 | 0.449680 | 0.449827 | 0.449974 | 0.450121 | 0.450268 | 0.450415 | 0.450561 | 0.450708 | 0.450854 |
| 12.3 | 0.451000 | 0.451146 | 0.451292 | 0.451438 | 0.451584 | 0.451729 | 0.451875 | 0.452020 | 0.452165 | 0.452310 |
| 12.4 | 0.452455 | 0.452600 | 0.452745 | 0.452890 | 0.453034 | 0.453178 | 0.453323 | 0.453467 | 0.453611 | 0.453755 |
| 12.5 | 0.453899 | 0.454042 | 0.454186 | 0.454329 | 0.454473 | 0.454616 | 0.454759 | 0.454902 | 0.455045 | 0.455188 |
| 12.6 | 0.455331 | 0.455473 | 0.455616 | 0.455758 | 0.455900 | 0.456042 | 0.456184 | 0.456326 | 0.456468 | 0.456610 |
| 12.7 | 0.456751 | 0.456893 | 0.457034 | 0.457175 | 0.457316 | 0.457457 | 0.457598 | 0.457739 | 0.457880 | 0.458020 |
| 12.8 | 0.458161 | 0.458301 | 0.458441 | 0.458582 | 0.458722 | 0.458861 | 0.459001 | 0.459141 | 0.459281 | 0.459420 |
| 12.9 | 0.459559 | 0.459699 | 0.459838 | 0.459977 | 0.460116 | 0.460255 | 0.460393 | 0.460532 | 0.460670 | 0.460809 |
Logarithm Table for base 261 — N = 13.00–13.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 13.0 | 0.460947 | 0.461085 | 0.461223 | 0.461361 | 0.461499 | 0.461637 | 0.461775 | 0.461912 | 0.462050 | 0.462187 |
| 13.1 | 0.462324 | 0.462461 | 0.462598 | 0.462735 | 0.462872 | 0.463009 | 0.463145 | 0.463282 | 0.463418 | 0.463555 |
| 13.2 | 0.463691 | 0.463827 | 0.463963 | 0.464099 | 0.464235 | 0.464370 | 0.464506 | 0.464641 | 0.464777 | 0.464912 |
| 13.3 | 0.465047 | 0.465182 | 0.465317 | 0.465452 | 0.465587 | 0.465721 | 0.465856 | 0.465990 | 0.466125 | 0.466259 |
| 13.4 | 0.466393 | 0.466527 | 0.466661 | 0.466795 | 0.466929 | 0.467063 | 0.467196 | 0.467330 | 0.467463 | 0.467596 |
| 13.5 | 0.467729 | 0.467862 | 0.467995 | 0.468128 | 0.468261 | 0.468394 | 0.468526 | 0.468659 | 0.468791 | 0.468923 |
| 13.6 | 0.469056 | 0.469188 | 0.469320 | 0.469452 | 0.469583 | 0.469715 | 0.469847 | 0.469978 | 0.470110 | 0.470241 |
| 13.7 | 0.470372 | 0.470503 | 0.470634 | 0.470765 | 0.470896 | 0.471027 | 0.471158 | 0.471288 | 0.471419 | 0.471549 |
| 13.8 | 0.471679 | 0.471809 | 0.471939 | 0.472069 | 0.472199 | 0.472329 | 0.472459 | 0.472588 | 0.472718 | 0.472847 |
| 13.9 | 0.472977 | 0.473106 | 0.473235 | 0.473364 | 0.473493 | 0.473622 | 0.473751 | 0.473880 | 0.474008 | 0.474137 |
Logarithm Table for base 261 — N = 14.00–14.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 14.0 | 0.474265 | 0.474393 | 0.474522 | 0.474650 | 0.474778 | 0.474906 | 0.475034 | 0.475161 | 0.475289 | 0.475417 |
| 14.1 | 0.475544 | 0.475671 | 0.475799 | 0.475926 | 0.476053 | 0.476180 | 0.476307 | 0.476434 | 0.476561 | 0.476688 |
| 14.2 | 0.476814 | 0.476941 | 0.477067 | 0.477193 | 0.477320 | 0.477446 | 0.477572 | 0.477698 | 0.477824 | 0.477950 |
| 14.3 | 0.478075 | 0.478201 | 0.478326 | 0.478452 | 0.478577 | 0.478703 | 0.478828 | 0.478953 | 0.479078 | 0.479203 |
| 14.4 | 0.479328 | 0.479452 | 0.479577 | 0.479702 | 0.479826 | 0.479951 | 0.480075 | 0.480199 | 0.480323 | 0.480447 |
| 14.5 | 0.480571 | 0.480695 | 0.480819 | 0.480943 | 0.481066 | 0.481190 | 0.481313 | 0.481437 | 0.481560 | 0.481683 |
| 14.6 | 0.481806 | 0.481929 | 0.482052 | 0.482175 | 0.482298 | 0.482421 | 0.482543 | 0.482666 | 0.482788 | 0.482911 |
| 14.7 | 0.483033 | 0.483155 | 0.483277 | 0.483399 | 0.483521 | 0.483643 | 0.483765 | 0.483887 | 0.484008 | 0.484130 |
| 14.8 | 0.484251 | 0.484373 | 0.484494 | 0.484615 | 0.484737 | 0.484858 | 0.484979 | 0.485099 | 0.485220 | 0.485341 |
| 14.9 | 0.485462 | 0.485582 | 0.485703 | 0.485823 | 0.485943 | 0.486064 | 0.486184 | 0.486304 | 0.486424 | 0.486544 |
Logarithm Table for base 261 — N = 15.00–15.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 15.0 | 0.486664 | 0.486783 | 0.486903 | 0.487023 | 0.487142 | 0.487262 | 0.487381 | 0.487500 | 0.487620 | 0.487739 |
| 15.1 | 0.487858 | 0.487977 | 0.488096 | 0.488214 | 0.488333 | 0.488452 | 0.488570 | 0.488689 | 0.488807 | 0.488926 |
| 15.2 | 0.489044 | 0.489162 | 0.489280 | 0.489398 | 0.489516 | 0.489634 | 0.489752 | 0.489870 | 0.489987 | 0.490105 |
| 15.3 | 0.490222 | 0.490340 | 0.490457 | 0.490574 | 0.490692 | 0.490809 | 0.490926 | 0.491043 | 0.491160 | 0.491276 |
| 15.4 | 0.491393 | 0.491510 | 0.491626 | 0.491743 | 0.491859 | 0.491976 | 0.492092 | 0.492208 | 0.492324 | 0.492440 |
| 15.5 | 0.492556 | 0.492672 | 0.492788 | 0.492904 | 0.493020 | 0.493135 | 0.493251 | 0.493366 | 0.493482 | 0.493597 |
| 15.6 | 0.493712 | 0.493827 | 0.493942 | 0.494057 | 0.494172 | 0.494287 | 0.494402 | 0.494517 | 0.494631 | 0.494746 |
| 15.7 | 0.494860 | 0.494975 | 0.495089 | 0.495203 | 0.495318 | 0.495432 | 0.495546 | 0.495660 | 0.495774 | 0.495888 |
| 15.8 | 0.496001 | 0.496115 | 0.496229 | 0.496342 | 0.496456 | 0.496569 | 0.496683 | 0.496796 | 0.496909 | 0.497022 |
| 15.9 | 0.497135 | 0.497248 | 0.497361 | 0.497474 | 0.497587 | 0.497699 | 0.497812 | 0.497925 | 0.498037 | 0.498150 |
Logarithm Table for base 261 — N = 16.00–16.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 16.0 | 0.498262 | 0.498374 | 0.498486 | 0.498599 | 0.498711 | 0.498823 | 0.498935 | 0.499046 | 0.499158 | 0.499270 |
| 16.1 | 0.499382 | 0.499493 | 0.499605 | 0.499716 | 0.499828 | 0.499939 | 0.500050 | 0.500161 | 0.500272 | 0.500383 |
| 16.2 | 0.500494 | 0.500605 | 0.500716 | 0.500827 | 0.500938 | 0.501048 | 0.501159 | 0.501269 | 0.501380 | 0.501490 |
| 16.3 | 0.501600 | 0.501711 | 0.501821 | 0.501931 | 0.502041 | 0.502151 | 0.502261 | 0.502370 | 0.502480 | 0.502590 |
| 16.4 | 0.502699 | 0.502809 | 0.502918 | 0.503028 | 0.503137 | 0.503247 | 0.503356 | 0.503465 | 0.503574 | 0.503683 |
| 16.5 | 0.503792 | 0.503901 | 0.504010 | 0.504118 | 0.504227 | 0.504336 | 0.504444 | 0.504553 | 0.504661 | 0.504769 |
| 16.6 | 0.504878 | 0.504986 | 0.505094 | 0.505202 | 0.505310 | 0.505418 | 0.505526 | 0.505634 | 0.505742 | 0.505849 |
| 16.7 | 0.505957 | 0.506065 | 0.506172 | 0.506280 | 0.506387 | 0.506494 | 0.506602 | 0.506709 | 0.506816 | 0.506923 |
| 16.8 | 0.507030 | 0.507137 | 0.507244 | 0.507351 | 0.507457 | 0.507564 | 0.507671 | 0.507777 | 0.507884 | 0.507990 |
| 16.9 | 0.508097 | 0.508203 | 0.508309 | 0.508415 | 0.508521 | 0.508627 | 0.508733 | 0.508839 | 0.508945 | 0.509051 |
Logarithm Table for base 261 — N = 17.00–17.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 17.0 | 0.509157 | 0.509262 | 0.509368 | 0.509474 | 0.509579 | 0.509685 | 0.509790 | 0.509895 | 0.510000 | 0.510106 |
| 17.1 | 0.510211 | 0.510316 | 0.510421 | 0.510526 | 0.510631 | 0.510736 | 0.510840 | 0.510945 | 0.511050 | 0.511154 |
| 17.2 | 0.511259 | 0.511363 | 0.511468 | 0.511572 | 0.511676 | 0.511780 | 0.511884 | 0.511989 | 0.512093 | 0.512197 |
| 17.3 | 0.512300 | 0.512404 | 0.512508 | 0.512612 | 0.512716 | 0.512819 | 0.512923 | 0.513026 | 0.513130 | 0.513233 |
| 17.4 | 0.513336 | 0.513440 | 0.513543 | 0.513646 | 0.513749 | 0.513852 | 0.513955 | 0.514058 | 0.514161 | 0.514263 |
| 17.5 | 0.514366 | 0.514469 | 0.514571 | 0.514674 | 0.514776 | 0.514879 | 0.514981 | 0.515084 | 0.515186 | 0.515288 |
| 17.6 | 0.515390 | 0.515492 | 0.515594 | 0.515696 | 0.515798 | 0.515900 | 0.516002 | 0.516103 | 0.516205 | 0.516307 |
| 17.7 | 0.516408 | 0.516510 | 0.516611 | 0.516713 | 0.516814 | 0.516915 | 0.517016 | 0.517118 | 0.517219 | 0.517320 |
| 17.8 | 0.517421 | 0.517522 | 0.517623 | 0.517723 | 0.517824 | 0.517925 | 0.518026 | 0.518126 | 0.518227 | 0.518327 |
| 17.9 | 0.518428 | 0.518528 | 0.518628 | 0.518728 | 0.518829 | 0.518929 | 0.519029 | 0.519129 | 0.519229 | 0.519329 |
Logarithm Table for base 261 — N = 18.00–18.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 18.0 | 0.519429 | 0.519529 | 0.519628 | 0.519728 | 0.519828 | 0.519927 | 0.520027 | 0.520126 | 0.520226 | 0.520325 |
| 18.1 | 0.520424 | 0.520524 | 0.520623 | 0.520722 | 0.520821 | 0.520920 | 0.521019 | 0.521118 | 0.521217 | 0.521316 |
| 18.2 | 0.521414 | 0.521513 | 0.521612 | 0.521710 | 0.521809 | 0.521908 | 0.522006 | 0.522104 | 0.522203 | 0.522301 |
| 18.3 | 0.522399 | 0.522497 | 0.522596 | 0.522694 | 0.522792 | 0.522890 | 0.522987 | 0.523085 | 0.523183 | 0.523281 |
| 18.4 | 0.523379 | 0.523476 | 0.523574 | 0.523671 | 0.523769 | 0.523866 | 0.523964 | 0.524061 | 0.524158 | 0.524255 |
| 18.5 | 0.524353 | 0.524450 | 0.524547 | 0.524644 | 0.524741 | 0.524838 | 0.524934 | 0.525031 | 0.525128 | 0.525225 |
| 18.6 | 0.525321 | 0.525418 | 0.525515 | 0.525611 | 0.525707 | 0.525804 | 0.525900 | 0.525996 | 0.526093 | 0.526189 |
| 18.7 | 0.526285 | 0.526381 | 0.526477 | 0.526573 | 0.526669 | 0.526765 | 0.526861 | 0.526956 | 0.527052 | 0.527148 |
| 18.8 | 0.527243 | 0.527339 | 0.527435 | 0.527530 | 0.527625 | 0.527721 | 0.527816 | 0.527911 | 0.528007 | 0.528102 |
| 18.9 | 0.528197 | 0.528292 | 0.528387 | 0.528482 | 0.528577 | 0.528672 | 0.528766 | 0.528861 | 0.528956 | 0.529051 |
Logarithm Table for base 261 — N = 19.00–19.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 19.0 | 0.529145 | 0.529240 | 0.529334 | 0.529429 | 0.529523 | 0.529617 | 0.529712 | 0.529806 | 0.529900 | 0.529994 |
| 19.1 | 0.530089 | 0.530183 | 0.530277 | 0.530371 | 0.530464 | 0.530558 | 0.530652 | 0.530746 | 0.530840 | 0.530933 |
| 19.2 | 0.531027 | 0.531121 | 0.531214 | 0.531308 | 0.531401 | 0.531494 | 0.531588 | 0.531681 | 0.531774 | 0.531867 |
| 19.3 | 0.531961 | 0.532054 | 0.532147 | 0.532240 | 0.532333 | 0.532425 | 0.532518 | 0.532611 | 0.532704 | 0.532797 |
| 19.4 | 0.532889 | 0.532982 | 0.533074 | 0.533167 | 0.533259 | 0.533352 | 0.533444 | 0.533537 | 0.533629 | 0.533721 |
| 19.5 | 0.533813 | 0.533905 | 0.533997 | 0.534089 | 0.534181 | 0.534273 | 0.534365 | 0.534457 | 0.534549 | 0.534641 |
| 19.6 | 0.534732 | 0.534824 | 0.534916 | 0.535007 | 0.535099 | 0.535190 | 0.535282 | 0.535373 | 0.535464 | 0.535556 |
| 19.7 | 0.535647 | 0.535738 | 0.535829 | 0.535920 | 0.536012 | 0.536103 | 0.536194 | 0.536284 | 0.536375 | 0.536466 |
| 19.8 | 0.536557 | 0.536648 | 0.536738 | 0.536829 | 0.536920 | 0.537010 | 0.537101 | 0.537191 | 0.537282 | 0.537372 |
| 19.9 | 0.537462 | 0.537553 | 0.537643 | 0.537733 | 0.537823 | 0.537913 | 0.538003 | 0.538093 | 0.538183 | 0.538273 |
Logarithm Table for base 261 — N = 20.00–20.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 20.0 | 0.538363 | 0.538453 | 0.538543 | 0.538632 | 0.538722 | 0.538812 | 0.538901 | 0.538991 | 0.539080 | 0.539170 |
| 20.1 | 0.539259 | 0.539349 | 0.539438 | 0.539527 | 0.539617 | 0.539706 | 0.539795 | 0.539884 | 0.539973 | 0.540062 |
| 20.2 | 0.540151 | 0.540240 | 0.540329 | 0.540418 | 0.540507 | 0.540596 | 0.540684 | 0.540773 | 0.540862 | 0.540950 |
| 20.3 | 0.541039 | 0.541127 | 0.541216 | 0.541304 | 0.541392 | 0.541481 | 0.541569 | 0.541657 | 0.541746 | 0.541834 |
| 20.4 | 0.541922 | 0.542010 | 0.542098 | 0.542186 | 0.542274 | 0.542362 | 0.542450 | 0.542537 | 0.542625 | 0.542713 |
| 20.5 | 0.542801 | 0.542888 | 0.542976 | 0.543063 | 0.543151 | 0.543238 | 0.543326 | 0.543413 | 0.543501 | 0.543588 |
| 20.6 | 0.543675 | 0.543762 | 0.543849 | 0.543937 | 0.544024 | 0.544111 | 0.544198 | 0.544285 | 0.544372 | 0.544459 |
| 20.7 | 0.544545 | 0.544632 | 0.544719 | 0.544806 | 0.544892 | 0.544979 | 0.545065 | 0.545152 | 0.545239 | 0.545325 |
| 20.8 | 0.545411 | 0.545498 | 0.545584 | 0.545670 | 0.545757 | 0.545843 | 0.545929 | 0.546015 | 0.546101 | 0.546187 |
| 20.9 | 0.546273 | 0.546359 | 0.546445 | 0.546531 | 0.546617 | 0.546703 | 0.546789 | 0.546874 | 0.546960 | 0.547046 |
Other Bases
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