Compare 28985 vs 28991
| Property | 28985 | 28991 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 4 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 51 × 111 × 171 × 311 | 531 × 5471 |
| Prime factorization | 5 × 11 × 17 × 31 | 53 × 547 |
| Divisors count | 16 | 4 |
| Divisors | 1, 5, 11, 17, 31, 55, 85, 155, 187, 341, 527, 935, 1705, 2635, 5797, 28985 | 1, 53, 547, 28991 |
| Number of properties | 0 | 1 |
| Semiprimes | 7210th | |
| Roman numberals | ||
| Base 2 | 1110001001110012 | 1110001001111112 |
| Base 3 | 11102021123 | 11102022023 |
| Base 4 | 130103214 | 130103334 |
| Base 5 | 14114205 | 14114315 |
| Base 6 | 3421056 | 3421156 |
| Base 7 | 1503357 | 1503447 |
| Base 8 | 704718 | 704778 |
| Base 9 | 436759 | 436829 |
| Base 10 | 2898510 | 2899110 |
| Base 11 | 1a86011 | 1a86611 |
| Base 12 | 1493512 | 1493b12 |
| Base 13 | 1026813 | 1027113 |
| Base 14 | a7c514 | a7cb14 |
| Base 15 | 88c515 | 88cb15 |
| Base 16 | 713916 | 713f16 |