Compare 478 vs 505
| Property | 478 | 505 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 21 × 2391 | 51 × 1011 |
| Prime factorization | 2 × 239 | 5 × 101 |
| Divisors count | 4 | 4 |
| Divisors | 1, 2, 239, 478 | 1, 5, 101, 505 |
| Number of properties | 1 | 1 |
| Semiprimes | 147th | 156th |
| Roman numberals | CDLXXVIII | DV |
| Base 2 | 1110111102 | 1111110012 |
| Base 3 | 1222013 | 2002013 |
| Base 4 | 131324 | 133214 |
| Base 5 | 34035 | 40105 |
| Base 6 | 21146 | 22016 |
| Base 7 | 12527 | 13217 |
| Base 8 | 7368 | 7718 |
| Base 9 | 5819 | 6219 |
| Base 10 | 47810 | 50510 |
| Base 11 | 3a511 | 41a11 |
| Base 12 | 33a12 | 36112 |
| Base 13 | 2aa13 | 2cb13 |
| Base 14 | 26214 | 28114 |
| Base 15 | 21d15 | 23a15 |
| Base 16 | 1de16 | 1f916 |