Q: What is 21,905 in other base number systems?
A:
| Base | Representation | Base Count |
|---|---|---|
| 2 (Binary) | 1010101100100012 | 15 |
| 3 (Ternary) | 10100010223 | 10 |
| 4 (Quaternary) | 111121014 | 8 |
| 5 (Quinary) | 12001105 | 7 |
| 6 (Senary) | 2452256 | 6 |
| 7 (Septenary) | 1206027 | 6 |
| 8 (Octal) | 526218 | 5 |
| 9 (Nonary) | 330389 | 5 |
| 10 (Decimal) | 2190510 | 5 |
| 11 (Undecimal) | 1550411 | 5 |
| 12 (Duodecimal) | 1081512 | 5 |
| 13 (Tridecimal) | 9C8013 | 4 |
| 14 (Tetradecimal) | 7DA914 | 4 |
| 15 (Pentadecimal) | 675515 | 4 |
| 16 (Hexadecimal) | 559116 | 4 |
| 17 | 47D917 | 4 |
| 18 (Octodecimal) | 3DAH18 | 4 |
| 19 | 33CH19 | 4 |
| 20 (Vigesimal) | 2EF520 | 4 |
| 21 | 27E221 | 4 |
| 22 | 215F22 | 4 |
| 23 | 1I9923 | 4 |
| 24 (Tetravigesimal) | 1E0H24 | 4 |
| 25 (Pentavigesimal) | 1A1525 | 4 |
| 26 (Hexavigesimal) | 16AD26 | 4 |
| 27 (Septemvigesimal) | 131827 | 4 |
| 28 (Octovigesimal) | RQ928 | 3 |
| 29 | Q1A29 | 3 |
| 30 (Trigesimal) | OA530 | 3 |
| 31 | MOJ31 | 3 |
| 32 (Duotrigesimal) | LCH32 | 3 |
| 33 | K3Q33 | 3 |
| 34 | IW934 | 3 |
| 35 | HUU35 | 3 |
| 36 (Hexatrigesimal) | GWH36 | 3 |
| 64 (Tetrasexagesimal) | MjE5MDU= | 8 |