Q: What is 18 in other base number systems?
A:
| Base | Representation | Base Count |
|---|---|---|
| 2 (Binary) | 100102 | 5 |
| 3 (Ternary) | 2003 | 3 |
| 4 (Quaternary) | 1024 | 3 |
| 5 (Quinary) | 335 | 2 |
| 6 (Senary) | 306 | 2 |
| 7 (Septenary) | 247 | 2 |
| 8 (Octal) | 228 | 2 |
| 9 (Nonary) | 209 | 2 |
| 10 (Decimal) | 1810 | 2 |
| 11 (Undecimal) | 1711 | 2 |
| 12 (Duodecimal) | 1612 | 2 |
| 13 (Tridecimal) | 1513 | 2 |
| 14 (Tetradecimal) | 1414 | 2 |
| 15 (Pentadecimal) | 1315 | 2 |
| 16 (Hexadecimal) | 1216 | 2 |
| 17 | 1117 | 2 |
| 18 (Octodecimal) | 1018 | 2 |
| 19 | I19 | 1 |
| 20 (Vigesimal) | I20 | 1 |
| 21 | I21 | 1 |
| 22 | I22 | 1 |
| 23 | I23 | 1 |
| 24 (Tetravigesimal) | I24 | 1 |
| 25 (Pentavigesimal) | I25 | 1 |
| 26 (Hexavigesimal) | I26 | 1 |
| 27 (Septemvigesimal) | I27 | 1 |
| 28 (Octovigesimal) | I28 | 1 |
| 29 | I29 | 1 |
| 30 (Trigesimal) | I30 | 1 |
| 31 | I31 | 1 |
| 32 (Duotrigesimal) | I32 | 1 |
| 33 | I33 | 1 |
| 34 | I34 | 1 |
| 35 | I35 | 1 |
| 36 (Hexatrigesimal) | I36 | 1 |
| 64 (Tetrasexagesimal) | MTg= | 4 |