Compare 56 vs 57
| Property | 56 | 57 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 23 × 71 | 31 × 191 |
| Prime factorization | 2 × 2 × 2 × 7 | 3 × 19 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 4, 7, 8, 14, 28, 56 | 1, 3, 19, 57 |
| Number of properties | 0 | 1 |
| Semiprimes | 20th | |
| Roman numberals | LVI | LVII |
| Base 2 | 1110002 | 1110012 |
| Base 3 | 20023 | 20103 |
| Base 4 | 3204 | 3214 |
| Base 5 | 2115 | 2125 |
| Base 6 | 1326 | 1336 |
| Base 7 | 1107 | 1117 |
| Base 8 | 708 | 718 |
| Base 9 | 629 | 639 |
| Base 10 | 5610 | 5710 |
| Base 11 | 5111 | 5211 |
| Base 12 | 4812 | 4912 |
| Base 13 | 4413 | 4513 |
| Base 14 | 4014 | 4114 |
| Base 15 | 3b15 | 3c15 |
| Base 16 | 3816 | 3916 |