Compare 427 vs 451
| Property | 427 | 451 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 71 × 611 | 111 × 411 |
| Prime factorization | 7 × 61 | 11 × 41 |
| Divisors count | 4 | 4 |
| Divisors | 1, 7, 61, 427 | 1, 11, 41, 451 |
| Number of properties | 1 | 1 |
| Semiprimes | 134th | 139th |
| Roman numberals | CDXXVII | CDLI |
| Base 2 | 1101010112 | 1110000112 |
| Base 3 | 1202113 | 1212013 |
| Base 4 | 122234 | 130034 |
| Base 5 | 32025 | 33015 |
| Base 6 | 15516 | 20316 |
| Base 7 | 11507 | 12137 |
| Base 8 | 6538 | 7038 |
| Base 9 | 5249 | 5519 |
| Base 10 | 42710 | 45110 |
| Base 11 | 35911 | 38011 |
| Base 12 | 2b712 | 31712 |
| Base 13 | 26b13 | 28913 |
| Base 14 | 22714 | 24314 |
| Base 15 | 1d715 | 20115 |
| Base 16 | 1ab16 | 1c316 |