Compare 28505 vs 28509
| Property | 28505 | 28509 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 4 |
| Total factors | 2 | 4 |
| Prime factorization | 51 × 57011 | 31 × 131 × 171 × 431 |
| Prime factorization | 5 × 5701 | 3 × 13 × 17 × 43 |
| Divisors count | 4 | 16 |
| Divisors | 1, 5, 5701, 28505 | 1, 3, 13, 17, 39, 43, 51, 129, 221, 559, 663, 731, 1677, 2193, 9503, 28509 |
| Number of properties | 1 | 0 |
| Semiprimes | 7109th | |
| Roman numberals | ||
| Base 2 | 1101111010110012 | 1101111010111012 |
| Base 3 | 11100022023 | 11100022203 |
| Base 4 | 123311214 | 123311314 |
| Base 5 | 14030105 | 14030145 |
| Base 6 | 3355456 | 3355536 |
| Base 7 | 1460517 | 1460557 |
| Base 8 | 675318 | 675358 |
| Base 9 | 430829 | 430869 |
| Base 10 | 2850510 | 2850910 |
| Base 11 | 1a46411 | 1a46811 |
| Base 12 | 145b512 | 145b912 |
| Base 13 | cc8913 | cc9013 |
| Base 14 | a56114 | a56514 |
| Base 15 | 86a515 | 86a915 |
| Base 16 | 6f5916 | 6f5d16 |