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Logarithm Table for base 40

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This page shows the logarithm table for base 40, 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 40 — N = 1.00–1.99
N.i 0 1 2 3 4 5 6 7 8 9
1.0 0.000000 0.002697 0.005368 0.008013 0.010632 0.013226 0.015796 0.018341 0.020863 0.023361
1.1 0.025837 0.028290 0.030722 0.033131 0.035520 0.037887 0.040234 0.042561 0.044868 0.047156
1.2 0.049425 0.051674 0.053905 0.056118 0.058313 0.060491 0.062651 0.064794 0.066920 0.069030
1.3 0.071123 0.073200 0.075262 0.077308 0.079338 0.081354 0.083354 0.085340 0.087312 0.089269
1.4 0.091213 0.093142 0.095058 0.096960 0.098849 0.100725 0.102588 0.104439 0.106277 0.108102
1.5 0.109916 0.111717 0.113506 0.115284 0.117050 0.118804 0.120548 0.122280 0.124001 0.125711
1.6 0.127411 0.129100 0.130779 0.132447 0.134105 0.135753 0.137391 0.139019 0.140637 0.142246
1.7 0.143845 0.145435 0.147016 0.148588 0.150150 0.151703 0.153248 0.154784 0.156311 0.157830
1.8 0.159340 0.160842 0.162336 0.163821 0.165298 0.166768 0.168229 0.169683 0.171128 0.172566
1.9 0.173997 0.175420 0.176836 0.178244 0.179645 0.181039 0.182425 0.183805 0.185177 0.186543

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Logarithm Table for base 40 — N = 2.00–2.99
N.i 0 1 2 3 4 5 6 7 8 9
2.0 0.187902 0.189254 0.190599 0.191938 0.193270 0.194596 0.195915 0.197228 0.198534 0.199834
2.1 0.201128 0.202416 0.203698 0.204973 0.206243 0.207507 0.208765 0.210017 0.211263 0.212504
2.2 0.213739 0.214968 0.216192 0.217411 0.218624 0.219831 0.221033 0.222230 0.223422 0.224608
2.3 0.225789 0.226965 0.228136 0.229302 0.230463 0.231619 0.232770 0.233917 0.235058 0.236195
2.4 0.237326 0.238454 0.239576 0.240694 0.241807 0.242916 0.244020 0.245120 0.246215 0.247306
2.5 0.248393 0.249475 0.250553 0.251626 0.252696 0.253761 0.254822 0.255879 0.256932 0.257980
2.6 0.259025 0.260065 0.261102 0.262135 0.263164 0.264189 0.265210 0.266227 0.267240 0.268250
2.7 0.269256 0.270258 0.271256 0.272251 0.273242 0.274230 0.275214 0.276194 0.277171 0.278145
2.8 0.279114 0.280081 0.281044 0.282003 0.282960 0.283913 0.284862 0.285808 0.286751 0.287691
2.9 0.288627 0.289560 0.290490 0.291417 0.292341 0.293261 0.294179 0.295093 0.296004 0.296912
Logarithm Table for base 40 — N = 3.00–3.99
N.i 0 1 2 3 4 5 6 7 8 9
3.0 0.297817 0.298719 0.299619 0.300515 0.301408 0.302298 0.303186 0.304070 0.304952 0.305830
3.1 0.306706 0.307579 0.308449 0.309317 0.310182 0.311044 0.311903 0.312759 0.313613 0.314464
3.2 0.315313 0.316159 0.317002 0.317842 0.318680 0.319516 0.320349 0.321179 0.322007 0.322832
3.3 0.323655 0.324475 0.325292 0.326108 0.326921 0.327731 0.328539 0.329345 0.330148 0.330949
3.4 0.331747 0.332543 0.333337 0.334129 0.334918 0.335705 0.336489 0.337272 0.338052 0.338830
3.5 0.339605 0.340379 0.341150 0.341919 0.342686 0.343451 0.344213 0.344973 0.345732 0.346488
3.6 0.347242 0.347994 0.348744 0.349492 0.350237 0.350981 0.351723 0.352462 0.353200 0.353936
3.7 0.354669 0.355401 0.356131 0.356859 0.357584 0.358308 0.359030 0.359750 0.360468 0.361184
3.8 0.361899 0.362611 0.363322 0.364031 0.364737 0.365442 0.366146 0.366847 0.367547 0.368244
3.9 0.368940 0.369635 0.370327 0.371018 0.371707 0.372394 0.373079 0.373763 0.374445 0.375125
Logarithm Table for base 40 — N = 4.00–4.99
N.i 0 1 2 3 4 5 6 7 8 9
4.0 0.375804 0.376481 0.377156 0.377829 0.378501 0.379171 0.379840 0.380507 0.381172 0.381835
4.1 0.382497 0.383158 0.383817 0.384474 0.385129 0.385783 0.386436 0.387087 0.387736 0.388384
4.2 0.389030 0.389675 0.390318 0.390959 0.391599 0.392238 0.392875 0.393511 0.394145 0.394778
4.3 0.395409 0.396038 0.396667 0.397293 0.397919 0.398543 0.399165 0.399786 0.400406 0.401024
4.4 0.401641 0.402256 0.402870 0.403483 0.404094 0.404704 0.405312 0.405920 0.406525 0.407130
4.5 0.407733 0.408335 0.408935 0.409534 0.410132 0.410728 0.411323 0.411917 0.412510 0.413101
4.6 0.413691 0.414280 0.414867 0.415453 0.416038 0.416622 0.417204 0.417785 0.418365 0.418944
4.7 0.419521 0.420097 0.420672 0.421246 0.421818 0.422390 0.422960 0.423529 0.424096 0.424663
4.8 0.425228 0.425792 0.426355 0.426917 0.427478 0.428037 0.428596 0.429153 0.429709 0.430264
4.9 0.430818 0.431371 0.431922 0.432473 0.433022 0.433570 0.434117 0.434663 0.435208 0.435752
Logarithm Table for base 40 — N = 5.00–5.99
N.i 0 1 2 3 4 5 6 7 8 9
5.0 0.436295 0.436836 0.437377 0.437916 0.438455 0.438992 0.439528 0.440063 0.440598 0.441131
5.1 0.441663 0.442194 0.442724 0.443253 0.443781 0.444307 0.444833 0.445358 0.445882 0.446405
5.2 0.446927 0.447447 0.447967 0.448486 0.449004 0.449521 0.450037 0.450552 0.451065 0.451578
5.3 0.452090 0.452601 0.453111 0.453620 0.454129 0.454636 0.455142 0.455647 0.456152 0.456655
5.4 0.457158 0.457659 0.458160 0.458659 0.459158 0.459656 0.460153 0.460649 0.461144 0.461638
5.5 0.462132 0.462624 0.463116 0.463606 0.464096 0.464585 0.465073 0.465560 0.466046 0.466532
5.6 0.467016 0.467500 0.467983 0.468465 0.468946 0.469426 0.469905 0.470384 0.470861 0.471338
5.7 0.471814 0.472289 0.472764 0.473237 0.473710 0.474182 0.474653 0.475123 0.475593 0.476061
5.8 0.476529 0.476996 0.477462 0.477928 0.478392 0.478856 0.479319 0.479781 0.480243 0.480703
5.9 0.481163 0.481622 0.482080 0.482538 0.482995 0.483451 0.483906 0.484360 0.484814 0.485267
Logarithm Table for base 40 — N = 6.00–6.99
N.i 0 1 2 3 4 5 6 7 8 9
6.0 0.485719 0.486171 0.486621 0.487071 0.487520 0.487969 0.488417 0.488864 0.489310 0.489755
6.1 0.490200 0.490644 0.491087 0.491530 0.491972 0.492413 0.492853 0.493293 0.493732 0.494170
6.2 0.494608 0.495045 0.495481 0.495917 0.496351 0.496785 0.497219 0.497651 0.498083 0.498515
6.3 0.498945 0.499375 0.499805 0.500233 0.500661 0.501088 0.501515 0.501941 0.502366 0.502791
6.4 0.503215 0.503638 0.504060 0.504482 0.504904 0.505324 0.505744 0.506163 0.506582 0.507000
6.5 0.507418 0.507834 0.508250 0.508666 0.509081 0.509495 0.509908 0.510321 0.510734 0.511145
6.6 0.511556 0.511967 0.512377 0.512786 0.513194 0.513602 0.514010 0.514416 0.514822 0.515228
6.7 0.515633 0.516037 0.516441 0.516844 0.517246 0.517648 0.518050 0.518450 0.518851 0.519250
6.8 0.519649 0.520047 0.520445 0.520842 0.521239 0.521635 0.522030 0.522425 0.522820 0.523213
6.9 0.523607 0.523999 0.524391 0.524783 0.525174 0.525564 0.525954 0.526343 0.526731 0.527120
Logarithm Table for base 40 — N = 7.00–7.99
N.i 0 1 2 3 4 5 6 7 8 9
7.0 0.527507 0.527894 0.528281 0.528666 0.529052 0.529437 0.529821 0.530204 0.530588 0.530970
7.1 0.531352 0.531734 0.532115 0.532495 0.532875 0.533255 0.533634 0.534012 0.534390 0.534767
7.2 0.535144 0.535520 0.535896 0.536271 0.536646 0.537020 0.537393 0.537767 0.538139 0.538511
7.3 0.538883 0.539254 0.539625 0.539995 0.540364 0.540733 0.541102 0.541470 0.541838 0.542205
7.4 0.542571 0.542937 0.543303 0.543668 0.544033 0.544397 0.544760 0.545124 0.545486 0.545848
7.5 0.546210 0.546571 0.546932 0.547292 0.547652 0.548011 0.548370 0.548728 0.549086 0.549444
7.6 0.549801 0.550157 0.550513 0.550869 0.551224 0.551578 0.551932 0.552286 0.552639 0.552992
7.7 0.553344 0.553696 0.554047 0.554398 0.554749 0.555099 0.555448 0.555798 0.556146 0.556494
7.8 0.556842 0.557190 0.557536 0.557883 0.558229 0.558574 0.558919 0.559264 0.559608 0.559952
7.9 0.560296 0.560638 0.560981 0.561323 0.561665 0.562006 0.562347 0.562687 0.563027 0.563366
Logarithm Table for base 40 — N = 8.00–8.99
N.i 0 1 2 3 4 5 6 7 8 9
8.0 0.563705 0.564044 0.564382 0.564720 0.565058 0.565394 0.565731 0.566067 0.566403 0.566738
8.1 0.567073 0.567407 0.567742 0.568075 0.568408 0.568741 0.569074 0.569406 0.569737 0.570068
8.2 0.570399 0.570730 0.571060 0.571389 0.571718 0.572047 0.572376 0.572704 0.573031 0.573358
8.3 0.573685 0.574012 0.574338 0.574663 0.574988 0.575313 0.575638 0.575962 0.576286 0.576609
8.4 0.576932 0.577254 0.577576 0.577898 0.578220 0.578541 0.578861 0.579181 0.579501 0.579821
8.5 0.580140 0.580459 0.580777 0.581095 0.581413 0.581730 0.582047 0.582363 0.582679 0.582995
8.6 0.583311 0.583626 0.583940 0.584255 0.584568 0.584882 0.585195 0.585508 0.585821 0.586133
8.7 0.586444 0.586756 0.587067 0.587378 0.587688 0.587998 0.588308 0.588617 0.588926 0.589234
8.8 0.589543 0.589851 0.590158 0.590465 0.590772 0.591079 0.591385 0.591690 0.591996 0.592301
8.9 0.592606 0.592910 0.593214 0.593518 0.593821 0.594124 0.594427 0.594730 0.595032 0.595333
Logarithm Table for base 40 — N = 9.00–9.99
N.i 0 1 2 3 4 5 6 7 8 9
9.0 0.595635 0.595936 0.596236 0.596537 0.596837 0.597137 0.597436 0.597735 0.598034 0.598332
9.1 0.598630 0.598928 0.599225 0.599522 0.599819 0.600116 0.600412 0.600707 0.601003 0.601298
9.2 0.601593 0.601887 0.602182 0.602475 0.602769 0.603062 0.603355 0.603648 0.603940 0.604232
9.3 0.604524 0.604815 0.605106 0.605397 0.605687 0.605977 0.606267 0.606556 0.606845 0.607134
9.4 0.607423 0.607711 0.607999 0.608287 0.608574 0.608861 0.609148 0.609434 0.609720 0.610006
9.5 0.610292 0.610577 0.610862 0.611146 0.611431 0.611715 0.611998 0.612282 0.612565 0.612848
9.6 0.613130 0.613412 0.613694 0.613976 0.614257 0.614538 0.614819 0.615100 0.615380 0.615660
9.7 0.615939 0.616219 0.616498 0.616776 0.617055 0.617333 0.617611 0.617889 0.618166 0.618443
9.8 0.618720 0.618996 0.619272 0.619548 0.619824 0.620099 0.620374 0.620649 0.620924 0.621198
9.9 0.621472 0.621746 0.622019 0.622292 0.622565 0.622838 0.623110 0.623382 0.623654 0.623925
Logarithm Table for base 40 — N = 10.00–10.99
N.i 0 1 2 3 4 5 6 7 8 9
10.0 0.624196 0.624467 0.624738 0.625008 0.625279 0.625548 0.625818 0.626087 0.626356 0.626625
10.1 0.626894 0.627162 0.627430 0.627698 0.627965 0.628232 0.628499 0.628766 0.629032 0.629299
10.2 0.629565 0.629830 0.630096 0.630361 0.630626 0.630890 0.631154 0.631419 0.631682 0.631946
10.3 0.632209 0.632472 0.632735 0.632998 0.633260 0.633522 0.633784 0.634045 0.634307 0.634568
10.4 0.634828 0.635089 0.635349 0.635609 0.635869 0.636129 0.636388 0.636647 0.636906 0.637164
10.5 0.637423 0.637681 0.637938 0.638196 0.638453 0.638710 0.638967 0.639224 0.639480 0.639736
10.6 0.639992 0.640248 0.640503 0.640758 0.641013 0.641268 0.641522 0.641776 0.642030 0.642284
10.7 0.642538 0.642791 0.643044 0.643297 0.643549 0.643801 0.644053 0.644305 0.644557 0.644808
10.8 0.645059 0.645310 0.645561 0.645811 0.646062 0.646311 0.646561 0.646811 0.647060 0.647309
10.9 0.647558 0.647806 0.648055 0.648303 0.648551 0.648798 0.649046 0.649293 0.649540 0.649787
Logarithm Table for base 40 — N = 11.00–11.99
N.i 0 1 2 3 4 5 6 7 8 9
11.0 0.650034 0.650280 0.650526 0.650772 0.651017 0.651263 0.651508 0.651753 0.651998 0.652242
11.1 0.652487 0.652731 0.652975 0.653218 0.653462 0.653705 0.653948 0.654191 0.654434 0.654676
11.2 0.654918 0.655160 0.655402 0.655643 0.655884 0.656126 0.656366 0.656607 0.656847 0.657088
11.3 0.657328 0.657568 0.657807 0.658046 0.658286 0.658525 0.658763 0.659002 0.659240 0.659478
11.4 0.659716 0.659954 0.660191 0.660429 0.660666 0.660903 0.661139 0.661376 0.661612 0.661848
11.5 0.662084 0.662319 0.662555 0.662790 0.663025 0.663260 0.663494 0.663729 0.663963 0.664197
11.6 0.664431 0.664664 0.664898 0.665131 0.665364 0.665597 0.665829 0.666062 0.666294 0.666526
11.7 0.666758 0.666989 0.667221 0.667452 0.667683 0.667914 0.668144 0.668375 0.668605 0.668835
11.8 0.669065 0.669294 0.669524 0.669753 0.669982 0.670211 0.670440 0.670668 0.670896 0.671125
11.9 0.671352 0.671580 0.671808 0.672035 0.672262 0.672489 0.672716 0.672942 0.673169 0.673395
Logarithm Table for base 40 — N = 12.00–12.99
N.i 0 1 2 3 4 5 6 7 8 9
12.0 0.673621 0.673847 0.674072 0.674298 0.674523 0.674748 0.674973 0.675198 0.675422 0.675647
12.1 0.675871 0.676095 0.676318 0.676542 0.676765 0.676989 0.677212 0.677434 0.677657 0.677880
12.2 0.678102 0.678324 0.678546 0.678768 0.678989 0.679211 0.679432 0.679653 0.679874 0.680094
12.3 0.680315 0.680535 0.680755 0.680975 0.681195 0.681415 0.681634 0.681853 0.682072 0.682291
12.4 0.682510 0.682728 0.682947 0.683165 0.683383 0.683601 0.683818 0.684036 0.684253 0.684470
12.5 0.684687 0.684904 0.685121 0.685337 0.685553 0.685769 0.685985 0.686201 0.686417 0.686632
12.6 0.686847 0.687062 0.687277 0.687492 0.687707 0.687921 0.688135 0.688349 0.688563 0.688777
12.7 0.688990 0.689204 0.689417 0.689630 0.689843 0.690055 0.690268 0.690480 0.690693 0.690905
12.8 0.691116 0.691328 0.691540 0.691751 0.691962 0.692173 0.692384 0.692595 0.692805 0.693016
12.9 0.693226 0.693436 0.693646 0.693856 0.694065 0.694275 0.694484 0.694693 0.694902 0.695111
Logarithm Table for base 40 — N = 13.00–13.99
N.i 0 1 2 3 4 5 6 7 8 9
13.0 0.695319 0.695528 0.695736 0.695944 0.696152 0.696360 0.696568 0.696775 0.696982 0.697190
13.1 0.697397 0.697604 0.697810 0.698017 0.698223 0.698429 0.698635 0.698841 0.699047 0.699253
13.2 0.699458 0.699663 0.699869 0.700074 0.700278 0.700483 0.700688 0.700892 0.701096 0.701300
13.3 0.701504 0.701708 0.701911 0.702115 0.702318 0.702521 0.702724 0.702927 0.703130 0.703332
13.4 0.703535 0.703737 0.703939 0.704141 0.704343 0.704544 0.704746 0.704947 0.705148 0.705349
13.5 0.705550 0.705751 0.705952 0.706152 0.706352 0.706552 0.706752 0.706952 0.707152 0.707351
13.6 0.707551 0.707750 0.707949 0.708148 0.708347 0.708546 0.708744 0.708943 0.709141 0.709339
13.7 0.709537 0.709735 0.709932 0.710130 0.710327 0.710524 0.710721 0.710918 0.711115 0.711312
13.8 0.711508 0.711705 0.711901 0.712097 0.712293 0.712489 0.712684 0.712880 0.713075 0.713271
13.9 0.713466 0.713661 0.713855 0.714050 0.714245 0.714439 0.714633 0.714827 0.715021 0.715215
Logarithm Table for base 40 — N = 14.00–14.99
N.i 0 1 2 3 4 5 6 7 8 9
14.0 0.715409 0.715603 0.715796 0.715989 0.716182 0.716375 0.716568 0.716761 0.716954 0.717146
14.1 0.717338 0.717531 0.717723 0.717915 0.718106 0.718298 0.718489 0.718681 0.718872 0.719063
14.2 0.719254 0.719445 0.719636 0.719826 0.720017 0.720207 0.720397 0.720587 0.720777 0.720967
14.3 0.721157 0.721346 0.721535 0.721725 0.721914 0.722103 0.722292 0.722480 0.722669 0.722857
14.4 0.723046 0.723234 0.723422 0.723610 0.723798 0.723985 0.724173 0.724360 0.724548 0.724735
14.5 0.724922 0.725109 0.725295 0.725482 0.725668 0.725855 0.726041 0.726227 0.726413 0.726599
14.6 0.726785 0.726970 0.727156 0.727341 0.727526 0.727712 0.727897 0.728081 0.728266 0.728451
14.7 0.728635 0.728820 0.729004 0.729188 0.729372 0.729556 0.729739 0.729923 0.730107 0.730290
14.8 0.730473 0.730656 0.730839 0.731022 0.731205 0.731387 0.731570 0.731752 0.731934 0.732117
14.9 0.732299 0.732480 0.732662 0.732844 0.733025 0.733207 0.733388 0.733569 0.733750 0.733931
Logarithm Table for base 40 — N = 15.00–15.99
N.i 0 1 2 3 4 5 6 7 8 9
15.0 0.734112 0.734293 0.734473 0.734654 0.734834 0.735014 0.735194 0.735374 0.735554 0.735734
15.1 0.735913 0.736093 0.736272 0.736451 0.736630 0.736809 0.736988 0.737167 0.737346 0.737524
15.2 0.737702 0.737881 0.738059 0.738237 0.738415 0.738593 0.738770 0.738948 0.739125 0.739303
15.3 0.739480 0.739657 0.739834 0.740011 0.740188 0.740365 0.740541 0.740717 0.740894 0.741070
15.4 0.741246 0.741422 0.741598 0.741774 0.741949 0.742125 0.742300 0.742476 0.742651 0.742826
15.5 0.743001 0.743176 0.743350 0.743525 0.743699 0.743874 0.744048 0.744222 0.744396 0.744570
15.6 0.744744 0.744918 0.745091 0.745265 0.745438 0.745611 0.745785 0.745958 0.746131 0.746303
15.7 0.746476 0.746649 0.746821 0.746994 0.747166 0.747338 0.747510 0.747682 0.747854 0.748026
15.8 0.748197 0.748369 0.748540 0.748712 0.748883 0.749054 0.749225 0.749396 0.749566 0.749737
15.9 0.749908 0.750078 0.750248 0.750419 0.750589 0.750759 0.750929 0.751099 0.751268 0.751438
Logarithm Table for base 40 — N = 16.00–16.99
N.i 0 1 2 3 4 5 6 7 8 9
16.0 0.751607 0.751777 0.751946 0.752115 0.752284 0.752453 0.752622 0.752791 0.752959 0.753128
16.1 0.753296 0.753465 0.753633 0.753801 0.753969 0.754137 0.754305 0.754472 0.754640 0.754807
16.2 0.754975 0.755142 0.755309 0.755476 0.755643 0.755810 0.755977 0.756144 0.756310 0.756477
16.3 0.756643 0.756809 0.756975 0.757142 0.757308 0.757473 0.757639 0.757805 0.757970 0.758136
16.4 0.758301 0.758466 0.758631 0.758797 0.758961 0.759126 0.759291 0.759456 0.759620 0.759785
16.5 0.759949 0.760113 0.760277 0.760441 0.760605 0.760769 0.760933 0.761097 0.761260 0.761424
16.6 0.761587 0.761750 0.761913 0.762076 0.762239 0.762402 0.762565 0.762728 0.762890 0.763053
16.7 0.763215 0.763377 0.763540 0.763702 0.763864 0.764026 0.764187 0.764349 0.764511 0.764672
16.8 0.764834 0.764995 0.765156 0.765317 0.765478 0.765639 0.765800 0.765961 0.766121 0.766282
16.9 0.766442 0.766603 0.766763 0.766923 0.767083 0.767243 0.767403 0.767563 0.767723 0.767882
Logarithm Table for base 40 — N = 17.00–17.99
N.i 0 1 2 3 4 5 6 7 8 9
17.0 0.768042 0.768201 0.768360 0.768520 0.768679 0.768838 0.768997 0.769156 0.769314 0.769473
17.1 0.769632 0.769790 0.769949 0.770107 0.770265 0.770423 0.770581 0.770739 0.770897 0.771055
17.2 0.771212 0.771370 0.771527 0.771685 0.771842 0.771999 0.772156 0.772313 0.772470 0.772627
17.3 0.772784 0.772941 0.773097 0.773254 0.773410 0.773566 0.773722 0.773879 0.774035 0.774190
17.4 0.774346 0.774502 0.774658 0.774813 0.774969 0.775124 0.775279 0.775435 0.775590 0.775745
17.5 0.775900 0.776055 0.776209 0.776364 0.776519 0.776673 0.776828 0.776982 0.777136 0.777290
17.6 0.777444 0.777598 0.777752 0.777906 0.778060 0.778213 0.778367 0.778521 0.778674 0.778827
17.7 0.778980 0.779133 0.779286 0.779439 0.779592 0.779745 0.779898 0.780050 0.780203 0.780355
17.8 0.780508 0.780660 0.780812 0.780964 0.781116 0.781268 0.781420 0.781572 0.781723 0.781875
17.9 0.782026 0.782178 0.782329 0.782480 0.782631 0.782782 0.782933 0.783084 0.783235 0.783386
Logarithm Table for base 40 — N = 18.00–18.99
N.i 0 1 2 3 4 5 6 7 8 9
18.0 0.783537 0.783687 0.783838 0.783988 0.784138 0.784288 0.784439 0.784589 0.784739 0.784889
18.1 0.785038 0.785188 0.785338 0.785487 0.785637 0.785786 0.785936 0.786085 0.786234 0.786383
18.2 0.786532 0.786681 0.786830 0.786978 0.787127 0.787276 0.787424 0.787573 0.787721 0.787869
18.3 0.788017 0.788165 0.788313 0.788461 0.788609 0.788757 0.788905 0.789052 0.789200 0.789347
18.4 0.789495 0.789642 0.789789 0.789936 0.790083 0.790230 0.790377 0.790524 0.790671 0.790817
18.5 0.790964 0.791110 0.791257 0.791403 0.791549 0.791696 0.791842 0.791988 0.792134 0.792280
18.6 0.792425 0.792571 0.792717 0.792862 0.793008 0.793153 0.793298 0.793444 0.793589 0.793734
18.7 0.793879 0.794024 0.794169 0.794313 0.794458 0.794603 0.794747 0.794892 0.795036 0.795180
18.8 0.795325 0.795469 0.795613 0.795757 0.795901 0.796045 0.796188 0.796332 0.796476 0.796619
18.9 0.796763 0.796906 0.797050 0.797193 0.797336 0.797479 0.797622 0.797765 0.797908 0.798051
Logarithm Table for base 40 — N = 19.00–19.99
N.i 0 1 2 3 4 5 6 7 8 9
19.0 0.798193 0.798336 0.798479 0.798621 0.798763 0.798906 0.799048 0.799190 0.799332 0.799474
19.1 0.799616 0.799758 0.799900 0.800042 0.800183 0.800325 0.800467 0.800608 0.800749 0.800891
19.2 0.801032 0.801173 0.801314 0.801455 0.801596 0.801737 0.801878 0.802018 0.802159 0.802300
19.3 0.802440 0.802581 0.802721 0.802861 0.803001 0.803142 0.803282 0.803422 0.803562 0.803701
19.4 0.803841 0.803981 0.804120 0.804260 0.804400 0.804539 0.804678 0.804818 0.804957 0.805096
19.5 0.805235 0.805374 0.805513 0.805652 0.805790 0.805929 0.806068 0.806206 0.806345 0.806483
19.6 0.806622 0.806760 0.806898 0.807036 0.807174 0.807312 0.807450 0.807588 0.807726 0.807863
19.7 0.808001 0.808139 0.808276 0.808414 0.808551 0.808688 0.808825 0.808963 0.809100 0.809237
19.8 0.809374 0.809511 0.809647 0.809784 0.809921 0.810057 0.810194 0.810330 0.810467 0.810603
19.9 0.810739 0.810876 0.811012 0.811148 0.811284 0.811420 0.811555 0.811691 0.811827 0.811963
Logarithm Table for base 40 — N = 20.00–20.99
N.i 0 1 2 3 4 5 6 7 8 9
20.0 0.812098 0.812234 0.812369 0.812504 0.812640 0.812775 0.812910 0.813045 0.813180 0.813315
20.1 0.813450 0.813585 0.813720 0.813855 0.813989 0.814124 0.814258 0.814393 0.814527 0.814661
20.2 0.814796 0.814930 0.815064 0.815198 0.815332 0.815466 0.815600 0.815733 0.815867 0.816001
20.3 0.816134 0.816268 0.816401 0.816535 0.816668 0.816801 0.816934 0.817067 0.817200 0.817333
20.4 0.817466 0.817599 0.817732 0.817865 0.817997 0.818130 0.818263 0.818395 0.818527 0.818660
20.5 0.818792 0.818924 0.819056 0.819188 0.819320 0.819452 0.819584 0.819716 0.819848 0.819979
20.6 0.820111 0.820243 0.820374 0.820506 0.820637 0.820768 0.820900 0.821031 0.821162 0.821293
20.7 0.821424 0.821555 0.821686 0.821816 0.821947 0.822078 0.822209 0.822339 0.822470 0.822600
20.8 0.822730 0.822861 0.822991 0.823121 0.823251 0.823381 0.823511 0.823641 0.823771 0.823901
20.9 0.824030 0.824160 0.824290 0.824419 0.824549 0.824678 0.824808 0.824937 0.825066 0.825195

Other Bases

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