Q: What is 21,212,121 in other base number systems?
A:
| Base | Representation | Base Count |
|---|---|---|
| 2 (Binary) | 10100001110101011110110012 | 25 |
| 3 (Ternary) | 11102202001200103 | 16 |
| 4 (Quaternary) | 11003222331214 | 13 |
| 5 (Quinary) | 204122414415 | 11 |
| 6 (Senary) | 20343521336 | 10 |
| 7 (Septenary) | 3452046307 | 9 |
| 8 (Octal) | 1207257318 | 9 |
| 9 (Nonary) | 438205039 | 8 |
| 10 (Decimal) | 2121212110 | 8 |
| 11 (Undecimal) | 10A78A8711 | 8 |
| 12 (Duodecimal) | 712B64912 | 7 |
| 13 (Tridecimal) | 451906813 | 7 |
| 14 (Tetradecimal) | 2B6251714 | 7 |
| 15 (Pentadecimal) | 1CE011615 | 7 |
| 16 (Hexadecimal) | 143ABD916 | 7 |
| 17 | EFG95E17 | 6 |
| 18 (Octodecimal) | B4139318 | 6 |
| 19 | 8AEB6819 | 6 |
| 20 (Vigesimal) | 6CBA6120 | 6 |
| 21 | 541A1021 | 6 |
| 22 | 42C2F722 | 6 |
| 23 | 36I9C323 | 6 |
| 24 (Tetravigesimal) | 2FMAE924 | 6 |
| 25 (Pentavigesimal) | 247E9L25 | 6 |
| 26 (Hexavigesimal) | 1KAMML26 | 6 |
| 27 (Septemvigesimal) | 1COIF327 | 6 |
| 28 (Octovigesimal) | 16E87L28 | 6 |
| 29 | 10SLED29 | 6 |
| 30 (Trigesimal) | Q5J0L30 | 5 |
| 31 | MU0TU31 | 5 |
| 32 (Duotrigesimal) | K7AUP32 | 5 |
| 33 | HT8HI33 | 5 |
| 34 | FTNJV34 | 5 |
| 35 | E4Q0L35 | 5 |
| 36 (Hexatrigesimal) | CMNDL36 | 5 |
| 64 (Tetrasexagesimal) | MjEyMTIxMjE= | 12 |