Compare 49 vs 57
| Property | 49 | 57 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 72 | 31 × 191 |
| Prime factorization | 7 × 7 | 3 × 19 |
| Divisors count | 3 | 4 |
| Divisors | 1, 7, 49 | 1, 3, 19, 57 |
| Number of properties | 1 | 1 |
| Semiprimes | 17th | 20th |
| Roman numberals | XLIX | LVII |
| Base 2 | 1100012 | 1110012 |
| Base 3 | 12113 | 20103 |
| Base 4 | 3014 | 3214 |
| Base 5 | 1445 | 2125 |
| Base 6 | 1216 | 1336 |
| Base 7 | 1007 | 1117 |
| Base 8 | 618 | 718 |
| Base 9 | 549 | 639 |
| Base 10 | 4910 | 5710 |
| Base 11 | 4511 | 5211 |
| Base 12 | 4112 | 4912 |
| Base 13 | 3a13 | 4513 |
| Base 14 | 3714 | 4114 |
| Base 15 | 3415 | 3c15 |
| Base 16 | 3116 | 3916 |