Enter a number in base 31 below to convert it to base 27 instantly.
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In base 31, each digit position represents a power of 31: the rightmost digit counts individual ones, the next counts groups of 31, the next counts groups of 31×31, and so on — the same place-value idea as base 10, just with 31 distinct digits instead of ten.
Base 27 works the same way: the rightmost digit counts ones, the next counts groups of 27, the next counts groups of 27×27, and so on, using 27 distinct digits.
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| Base 10 | Base 31 | Base 27 |
|---|---|---|
| 1 | 1 | 1 |
| 2 | 2 | 2 |
| 3 | 3 | 3 |
| 4 | 4 | 4 |
| 5 | 5 | 5 |
| 6 | 6 | 6 |
| 7 | 7 | 7 |
| 8 | 8 | 8 |
| 9 | 9 | 9 |
| 10 | A | A |
| 11 | B | B |
| 12 | C | C |
| 13 | D | D |
| 14 | E | E |
| 15 | F | F |
| 16 | G | G |
| 17 | H | H |
| 18 | I | I |
| 19 | J | J |
| 20 | K | K |
| 21 | L | L |
| 22 | M | M |
| 23 | N | N |
| 24 | O | O |
| 25 | P | P |
| 26 | Q | Q |
| 27 | R | 10 |
| 28 | S | 11 |
| 29 | T | 12 |
| 30 | U | 13 |
| 31 | 10 | 14 |
| 32 | 11 | 15 |
| 33 | 12 | 16 |
| 34 | 13 | 17 |
| 35 | 14 | 18 |
| 36 | 15 | 19 |
| 37 | 16 | 1A |
| 38 | 17 | 1B |
| 39 | 18 | 1C |
| 40 | 19 | 1D |
| 41 | 1A | 1E |
| 42 | 1B | 1F |
| 43 | 1C | 1G |
| 44 | 1D | 1H |
| 45 | 1E | 1I |
| 46 | 1F | 1J |
| 47 | 1G | 1K |
| 48 | 1H | 1L |
| 49 | 1I | 1M |
| 50 | 1J | 1N |
| 51 | 1K | 1O |
| 52 | 1L | 1P |
| 53 | 1M | 1Q |
| 54 | 1N | 20 |
| 55 | 1O | 21 |
| 56 | 1P | 22 |
| 57 | 1Q | 23 |
| 58 | 1R | 24 |
| 59 | 1S | 25 |
| 60 | 1T | 26 |
| 61 | 1U | 27 |
| 62 | 20 | 28 |
| 63 | 21 | 29 |
| 64 | 22 | 2A |
| 70 | 28 | 2G |
| 80 | 2I | 2Q |
| 90 | 2S | 39 |
| 100 | 37 | 3J |
| 200 | 6E | 7B |
| 300 | 9L | B3 |
| 400 | CS | EM |
| 500 | G4 | IE |
| 600 | JB | M6 |
| 700 | MI | PP |
| 800 | PP | 12H |
| 900 | T1 | 169 |
| 1000 | 118 | 1A1 |
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