Compare 447 vs 451
| Property | 447 | 451 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 31 × 1491 | 111 × 411 |
| Prime factorization | 3 × 149 | 11 × 41 |
| Divisors count | 4 | 4 |
| Divisors | 1, 3, 149, 447 | 1, 11, 41, 451 |
| Number of properties | 1 | 1 |
| Semiprimes | 138th | 139th |
| Roman numberals | CDXLVII | CDLI |
| Base 2 | 1101111112 | 1110000112 |
| Base 3 | 1211203 | 1212013 |
| Base 4 | 123334 | 130034 |
| Base 5 | 32425 | 33015 |
| Base 6 | 20236 | 20316 |
| Base 7 | 12067 | 12137 |
| Base 8 | 6778 | 7038 |
| Base 9 | 5469 | 5519 |
| Base 10 | 44710 | 45110 |
| Base 11 | 37711 | 38011 |
| Base 12 | 31312 | 31712 |
| Base 13 | 28513 | 28913 |
| Base 14 | 23d14 | 24314 |
| Base 15 | 1ec15 | 20115 |
| Base 16 | 1bf16 | 1c316 |