Q: What is 21,815 in other base number systems?
A:
| Base | Representation | Base Count |
|---|---|---|
| 2 (Binary) | 1010101001101112 | 15 |
| 3 (Ternary) | 10022202223 | 10 |
| 4 (Quaternary) | 111103134 | 8 |
| 5 (Quinary) | 11442305 | 7 |
| 6 (Senary) | 2445556 | 6 |
| 7 (Septenary) | 1204137 | 6 |
| 8 (Octal) | 524678 | 5 |
| 9 (Nonary) | 328289 | 5 |
| 10 (Decimal) | 2181510 | 5 |
| 11 (Undecimal) | 1543211 | 5 |
| 12 (Duodecimal) | 1075B12 | 5 |
| 13 (Tridecimal) | 9C1113 | 4 |
| 14 (Tetradecimal) | 7D4314 | 4 |
| 15 (Pentadecimal) | 66E515 | 4 |
| 16 (Hexadecimal) | 553716 | 4 |
| 17 | 478417 | 4 |
| 18 (Octodecimal) | 3D5H18 | 4 |
| 19 | 338319 | 4 |
| 20 (Vigesimal) | 2EAF20 | 4 |
| 21 | 279H21 | 4 |
| 22 | 211D22 | 4 |
| 23 | 1I5B23 | 4 |
| 24 (Tetravigesimal) | 1DKN24 | 4 |
| 25 (Pentavigesimal) | 19MF25 | 4 |
| 26 (Hexavigesimal) | 167126 | 4 |
| 27 (Septemvigesimal) | 12OQ27 | 4 |
| 28 (Octovigesimal) | RN328 | 3 |
| 29 | PR729 | 3 |
| 30 (Trigesimal) | O7530 | 3 |
| 31 | MLM31 | 3 |
| 32 (Duotrigesimal) | L9N32 | 3 |
| 33 | K1233 | 3 |
| 34 | ITL34 | 3 |
| 35 | HSA35 | 3 |
| 36 (Hexatrigesimal) | GTZ36 | 3 |
| 64 (Tetrasexagesimal) | MjE4MTU= | 8 |