Compare 478 vs 515
| Property | 478 | 515 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 21 × 2391 | 51 × 1031 |
| Prime factorization | 2 × 239 | 5 × 103 |
| Divisors count | 4 | 4 |
| Divisors | 1, 2, 239, 478 | 1, 5, 103, 515 |
| Number of properties | 1 | 1 |
| Semiprimes | 147th | 159th |
| Roman numberals | CDLXXVIII | DXV |
| Base 2 | 1110111102 | 10000000112 |
| Base 3 | 1222013 | 2010023 |
| Base 4 | 131324 | 200034 |
| Base 5 | 34035 | 40305 |
| Base 6 | 21146 | 22156 |
| Base 7 | 12527 | 13347 |
| Base 8 | 7368 | 10038 |
| Base 9 | 5819 | 6329 |
| Base 10 | 47810 | 51510 |
| Base 11 | 3a511 | 42911 |
| Base 12 | 33a12 | 36b12 |
| Base 13 | 2aa13 | 30813 |
| Base 14 | 26214 | 28b14 |
| Base 15 | 21d15 | 24515 |
| Base 16 | 1de16 | 20316 |