Compare 9 vs 63
| Property | 9 | 63 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 1 | 2 |
| Total factors | 2 | 3 |
| Prime factorization | 32 | 32 × 71 |
| Prime factorization | 3 × 3 | 3 × 3 × 7 |
| Divisors count | 3 | 6 |
| Divisors | 1, 3, 9 | 1, 3, 7, 9, 21, 63 |
| Number of properties | 1 | 0 |
| Semiprimes | 3rd | |
| Roman numberals | IX | LXIII |
| Base 2 | 10012 | 1111112 |
| Base 3 | 1003 | 21003 |
| Base 4 | 214 | 3334 |
| Base 5 | 145 | 2235 |
| Base 6 | 136 | 1436 |
| Base 7 | 127 | 1207 |
| Base 8 | 118 | 778 |
| Base 9 | 109 | 709 |
| Base 10 | 910 | 6310 |
| Base 11 | 911 | 5811 |
| Base 12 | 912 | 5312 |
| Base 13 | 913 | 4b13 |
| Base 14 | 914 | 4714 |
| Base 15 | 915 | 4315 |
| Base 16 | 916 | 3f16 |