Compare 18 vs 63
| Property | 18 | 63 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 2 | 2 |
| Total factors | 3 | 3 |
| Prime factorization | 21 × 32 | 32 × 71 |
| Prime factorization | 2 × 3 × 3 | 3 × 3 × 7 |
| Divisors count | 6 | 6 |
| Divisors | 1, 2, 3, 6, 9, 18 | 1, 3, 7, 9, 21, 63 |
| Number of properties | 0 | 0 |
| Roman numberals | XVIII | LXIII |
| Base 2 | 100102 | 1111112 |
| Base 3 | 2003 | 21003 |
| Base 4 | 1024 | 3334 |
| Base 5 | 335 | 2235 |
| Base 6 | 306 | 1436 |
| Base 7 | 247 | 1207 |
| Base 8 | 228 | 778 |
| Base 9 | 209 | 709 |
| Base 10 | 1810 | 6310 |
| Base 11 | 1711 | 5811 |
| Base 12 | 1612 | 5312 |
| Base 13 | 1513 | 4b13 |
| Base 14 | 1414 | 4714 |
| Base 15 | 1315 | 4315 |
| Base 16 | 1216 | 3f16 |