Q: What is 991 in other base number systems?
A:
| Base | Representation | Base Count |
|---|---|---|
| 2 (Binary) | 11110111112 | 10 |
| 3 (Ternary) | 11002013 | 7 |
| 4 (Quaternary) | 331334 | 5 |
| 5 (Quinary) | 124315 | 5 |
| 6 (Senary) | 43316 | 4 |
| 7 (Septenary) | 26147 | 4 |
| 8 (Octal) | 17378 | 4 |
| 9 (Nonary) | 13219 | 4 |
| 10 (Decimal) | 99110 | 3 |
| 11 (Undecimal) | 82111 | 3 |
| 12 (Duodecimal) | 6A712 | 3 |
| 13 (Tridecimal) | 5B313 | 3 |
| 14 (Tetradecimal) | 50B14 | 3 |
| 15 (Pentadecimal) | 46115 | 3 |
| 16 (Hexadecimal) | 3DF16 | 3 |
| 17 | 37517 | 3 |
| 18 (Octodecimal) | 31118 | 3 |
| 19 | 2E319 | 3 |
| 20 (Vigesimal) | 29B20 | 3 |
| 21 | 25421 | 3 |
| 22 | 21122 | 3 |
| 23 | 1K223 | 3 |
| 24 (Tetravigesimal) | 1H724 | 3 |
| 25 (Pentavigesimal) | 1EG25 | 3 |
| 26 (Hexavigesimal) | 1C326 | 3 |
| 27 (Septemvigesimal) | 19J27 | 3 |
| 28 (Octovigesimal) | 17B28 | 3 |
| 29 | 15529 | 3 |
| 30 (Trigesimal) | 13130 | 3 |
| 31 | 10U31 | 3 |
| 32 (Duotrigesimal) | UV32 | 2 |
| 33 | U133 | 2 |
| 34 | T534 | 2 |
| 35 | SB35 | 2 |
| 36 (Hexatrigesimal) | RJ36 | 2 |
| 64 (Tetrasexagesimal) | OTkx | 4 |