Compare 513 vs 515
| Property | 513 | 515 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 33 × 191 | 51 × 1031 |
| Prime factorization | 3 × 3 × 3 × 19 | 5 × 103 |
| Divisors count | 8 | 4 |
| Divisors | 1, 3, 9, 19, 27, 57, 171, 513 | 1, 5, 103, 515 |
| Number of properties | 0 | 1 |
| Semiprimes | 159th | |
| Roman numberals | DXIII | DXV |
| Base 2 | 10000000012 | 10000000112 |
| Base 3 | 2010003 | 2010023 |
| Base 4 | 200014 | 200034 |
| Base 5 | 40235 | 40305 |
| Base 6 | 22136 | 22156 |
| Base 7 | 13327 | 13347 |
| Base 8 | 10018 | 10038 |
| Base 9 | 6309 | 6329 |
| Base 10 | 51310 | 51510 |
| Base 11 | 42711 | 42911 |
| Base 12 | 36912 | 36b12 |
| Base 13 | 30613 | 30813 |
| Base 14 | 28914 | 28b14 |
| Base 15 | 24315 | 24515 |
| Base 16 | 20116 | 20316 |