Compare 511 vs 520
| Property | 511 | 520 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 5 |
| Prime factorization | 71 × 731 | 23 × 51 × 131 |
| Prime factorization | 7 × 73 | 2 × 2 × 2 × 5 × 13 |
| Divisors count | 4 | 16 |
| Divisors | 1, 7, 73, 511 | 1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520 |
| Number of properties | 1 | 0 |
| Semiprimes | 157th | |
| Roman numberals | DXI | DXX |
| Base 2 | 1111111112 | 10000010002 |
| Base 3 | 2002213 | 2010213 |
| Base 4 | 133334 | 200204 |
| Base 5 | 40215 | 40405 |
| Base 6 | 22116 | 22246 |
| Base 7 | 13307 | 13427 |
| Base 8 | 7778 | 10108 |
| Base 9 | 6279 | 6379 |
| Base 10 | 51110 | 52010 |
| Base 11 | 42511 | 43311 |
| Base 12 | 36712 | 37412 |
| Base 13 | 30413 | 31013 |
| Base 14 | 28714 | 29214 |
| Base 15 | 24115 | 24a15 |
| Base 16 | 1ff16 | 20816 |