Compare 511 vs 513
| Property | 511 | 513 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 2 |
| Total factors | 2 | 4 |
| Prime factorization | 71 × 731 | 33 × 191 |
| Prime factorization | 7 × 73 | 3 × 3 × 3 × 19 |
| Divisors count | 4 | 8 |
| Divisors | 1, 7, 73, 511 | 1, 3, 9, 19, 27, 57, 171, 513 |
| Number of properties | 1 | 0 |
| Semiprimes | 157th | |
| Roman numberals | DXI | DXIII |
| Base 2 | 1111111112 | 10000000012 |
| Base 3 | 2002213 | 2010003 |
| Base 4 | 133334 | 200014 |
| Base 5 | 40215 | 40235 |
| Base 6 | 22116 | 22136 |
| Base 7 | 13307 | 13327 |
| Base 8 | 7778 | 10018 |
| Base 9 | 6279 | 6309 |
| Base 10 | 51110 | 51310 |
| Base 11 | 42511 | 42711 |
| Base 12 | 36712 | 36912 |
| Base 13 | 30413 | 30613 |
| Base 14 | 28714 | 28914 |
| Base 15 | 24115 | 24315 |
| Base 16 | 1ff16 | 20116 |