Compare 427 vs 447
| Property | 427 | 447 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 71 × 611 | 31 × 1491 |
| Prime factorization | 7 × 61 | 3 × 149 |
| Divisors count | 4 | 4 |
| Divisors | 1, 7, 61, 427 | 1, 3, 149, 447 |
| Number of properties | 1 | 1 |
| Semiprimes | 134th | 138th |
| Roman numberals | CDXXVII | CDXLVII |
| Base 2 | 1101010112 | 1101111112 |
| Base 3 | 1202113 | 1211203 |
| Base 4 | 122234 | 123334 |
| Base 5 | 32025 | 32425 |
| Base 6 | 15516 | 20236 |
| Base 7 | 11507 | 12067 |
| Base 8 | 6538 | 6778 |
| Base 9 | 5249 | 5469 |
| Base 10 | 42710 | 44710 |
| Base 11 | 35911 | 37711 |
| Base 12 | 2b712 | 31312 |
| Base 13 | 26b13 | 28513 |
| Base 14 | 22714 | 23d14 |
| Base 15 | 1d715 | 1ec15 |
| Base 16 | 1ab16 | 1bf16 |