Compare 57 vs 64
| Property | 57 | 64 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 1 |
| Total factors | 2 | 6 |
| Prime factorization | 31 × 191 | 26 |
| Prime factorization | 3 × 19 | 2 × 2 × 2 × 2 × 2 × 2 |
| Divisors count | 4 | 7 |
| Divisors | 1, 3, 19, 57 | 1, 2, 4, 8, 16, 32, 64 |
| Number of properties | 1 | 0 |
| Semiprimes | 20th | |
| Roman numberals | LVII | LXIV |
| Base 2 | 1110012 | 10000002 |
| Base 3 | 20103 | 21013 |
| Base 4 | 3214 | 10004 |
| Base 5 | 2125 | 2245 |
| Base 6 | 1336 | 1446 |
| Base 7 | 1117 | 1217 |
| Base 8 | 718 | 1008 |
| Base 9 | 639 | 719 |
| Base 10 | 5710 | 6410 |
| Base 11 | 5211 | 5911 |
| Base 12 | 4912 | 5412 |
| Base 13 | 4513 | 4c13 |
| Base 14 | 4114 | 4814 |
| Base 15 | 3c15 | 4415 |
| Base 16 | 3916 | 4016 |