Compare 447 vs 478
| Property | 447 | 478 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 31 × 1491 | 21 × 2391 |
| Prime factorization | 3 × 149 | 2 × 239 |
| Divisors count | 4 | 4 |
| Divisors | 1, 3, 149, 447 | 1, 2, 239, 478 |
| Number of properties | 1 | 1 |
| Semiprimes | 138th | 147th |
| Roman numberals | CDXLVII | CDLXXVIII |
| Base 2 | 1101111112 | 1110111102 |
| Base 3 | 1211203 | 1222013 |
| Base 4 | 123334 | 131324 |
| Base 5 | 32425 | 34035 |
| Base 6 | 20236 | 21146 |
| Base 7 | 12067 | 12527 |
| Base 8 | 6778 | 7368 |
| Base 9 | 5469 | 5819 |
| Base 10 | 44710 | 47810 |
| Base 11 | 37711 | 3a511 |
| Base 12 | 31312 | 33a12 |
| Base 13 | 28513 | 2aa13 |
| Base 14 | 23d14 | 26214 |
| Base 15 | 1ec15 | 21d15 |
| Base 16 | 1bf16 | 1de16 |