Q: What is 21,865 in other base number systems?
A:
| Base | Representation | Base Count |
|---|---|---|
| 2 (Binary) | 1010101011010012 | 15 |
| 3 (Ternary) | 10022222113 | 10 |
| 4 (Quaternary) | 111112214 | 8 |
| 5 (Quinary) | 11444305 | 7 |
| 6 (Senary) | 2451216 | 6 |
| 7 (Septenary) | 1205147 | 6 |
| 8 (Octal) | 525518 | 5 |
| 9 (Nonary) | 328849 | 5 |
| 10 (Decimal) | 2186510 | 5 |
| 11 (Undecimal) | 1547811 | 5 |
| 12 (Duodecimal) | 107A112 | 5 |
| 13 (Tridecimal) | 9C4C13 | 4 |
| 14 (Tetradecimal) | 7D7B14 | 4 |
| 15 (Pentadecimal) | 672A15 | 4 |
| 16 (Hexadecimal) | 556916 | 4 |
| 17 | 47B317 | 4 |
| 18 (Octodecimal) | 3D8D18 | 4 |
| 19 | 33AF19 | 4 |
| 20 (Vigesimal) | 2ED520 | 4 |
| 21 | 27C421 | 4 |
| 22 | 213J22 | 4 |
| 23 | 1I7F23 | 4 |
| 24 (Tetravigesimal) | 1DN124 | 4 |
| 25 (Pentavigesimal) | 19OF25 | 4 |
| 26 (Hexavigesimal) | 168P26 | 4 |
| 27 (Septemvigesimal) | 12QM27 | 4 |
| 28 (Octovigesimal) | ROP28 | 3 |
| 29 | PSS29 | 3 |
| 30 (Trigesimal) | O8P30 | 3 |
| 31 | MNA31 | 3 |
| 32 (Duotrigesimal) | LB932 | 3 |
| 33 | K2J33 | 3 |
| 34 | IV334 | 3 |
| 35 | HTP35 | 3 |
| 36 (Hexatrigesimal) | GVD36 | 3 |
| 64 (Tetrasexagesimal) | MjE4NjU= | 8 |