Q: What is 21,805 in other base number systems?
A:
| Base | Representation | Base Count |
|---|---|---|
| 2 (Binary) | 1010101001011012 | 15 |
| 3 (Ternary) | 10022201213 | 10 |
| 4 (Quaternary) | 111102314 | 8 |
| 5 (Quinary) | 11442105 | 7 |
| 6 (Senary) | 2445416 | 6 |
| 7 (Septenary) | 1204007 | 6 |
| 8 (Octal) | 524558 | 5 |
| 9 (Nonary) | 328179 | 5 |
| 10 (Decimal) | 2180510 | 5 |
| 11 (Undecimal) | 1542311 | 5 |
| 12 (Duodecimal) | 1075112 | 5 |
| 13 (Tridecimal) | 9C0413 | 4 |
| 14 (Tetradecimal) | 7D3714 | 4 |
| 15 (Pentadecimal) | 66DA15 | 4 |
| 16 (Hexadecimal) | 552D16 | 4 |
| 17 | 477B17 | 4 |
| 18 (Octodecimal) | 3D5718 | 4 |
| 19 | 337C19 | 4 |
| 20 (Vigesimal) | 2EA520 | 4 |
| 21 | 279721 | 4 |
| 22 | 211322 | 4 |
| 23 | 1I5123 | 4 |
| 24 (Tetravigesimal) | 1DKD24 | 4 |
| 25 (Pentavigesimal) | 19M525 | 4 |
| 26 (Hexavigesimal) | 166H26 | 4 |
| 27 (Septemvigesimal) | 12OG27 | 4 |
| 28 (Octovigesimal) | RML28 | 3 |
| 29 | PQQ29 | 3 |
| 30 (Trigesimal) | O6P30 | 3 |
| 31 | MLC31 | 3 |
| 32 (Duotrigesimal) | L9D32 | 3 |
| 33 | K0P33 | 3 |
| 34 | ITB34 | 3 |
| 35 | HS035 | 3 |
| 36 (Hexatrigesimal) | GTP36 | 3 |
| 64 (Tetrasexagesimal) | MjE4MDU= | 8 |