Q: What is 821 in other base number systems?
A:
| Base | Representation | Base Count |
|---|---|---|
| 2 (Binary) | 11001101012 | 10 |
| 3 (Ternary) | 10101023 | 7 |
| 4 (Quaternary) | 303114 | 5 |
| 5 (Quinary) | 112415 | 5 |
| 6 (Senary) | 34456 | 4 |
| 7 (Septenary) | 22527 | 4 |
| 8 (Octal) | 14658 | 4 |
| 9 (Nonary) | 11129 | 4 |
| 10 (Decimal) | 82110 | 3 |
| 11 (Undecimal) | 68711 | 3 |
| 12 (Duodecimal) | 58512 | 3 |
| 13 (Tridecimal) | 4B213 | 3 |
| 14 (Tetradecimal) | 42914 | 3 |
| 15 (Pentadecimal) | 39B15 | 3 |
| 16 (Hexadecimal) | 33516 | 3 |
| 17 | 2E517 | 3 |
| 18 (Octodecimal) | 29B18 | 3 |
| 19 | 25419 | 3 |
| 20 (Vigesimal) | 21120 | 3 |
| 21 | 1I221 | 3 |
| 22 | 1F722 | 3 |
| 23 | 1CG23 | 3 |
| 24 (Tetravigesimal) | 1A524 | 3 |
| 25 (Pentavigesimal) | 17L25 | 3 |
| 26 (Hexavigesimal) | 15F26 | 3 |
| 27 (Septemvigesimal) | 13B27 | 3 |
| 28 (Octovigesimal) | 11928 | 3 |
| 29 | S929 | 2 |
| 30 (Trigesimal) | RB30 | 2 |
| 31 | QF31 | 2 |
| 32 (Duotrigesimal) | PL32 | 2 |
| 33 | OT33 | 2 |
| 34 | O534 | 2 |
| 35 | NG35 | 2 |
| 36 (Hexatrigesimal) | MT36 | 2 |
| 64 (Tetrasexagesimal) | ODIx | 4 |