Compare 57 vs 63
| Property | 57 | 63 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 2 |
| Total factors | 2 | 3 |
| Prime factorization | 31 × 191 | 32 × 71 |
| Prime factorization | 3 × 19 | 3 × 3 × 7 |
| Divisors count | 4 | 6 |
| Divisors | 1, 3, 19, 57 | 1, 3, 7, 9, 21, 63 |
| Number of properties | 1 | 0 |
| Semiprimes | 20th | |
| Roman numberals | LVII | LXIII |
| Base 2 | 1110012 | 1111112 |
| Base 3 | 20103 | 21003 |
| Base 4 | 3214 | 3334 |
| Base 5 | 2125 | 2235 |
| Base 6 | 1336 | 1436 |
| Base 7 | 1117 | 1207 |
| Base 8 | 718 | 778 |
| Base 9 | 639 | 709 |
| Base 10 | 5710 | 6310 |
| Base 11 | 5211 | 5811 |
| Base 12 | 4912 | 5312 |
| Base 13 | 4513 | 4b13 |
| Base 14 | 4114 | 4714 |
| Base 15 | 3c15 | 4315 |
| Base 16 | 3916 | 3f16 |