Compare 28987 vs 28991
| Property | 28987 | 28991 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 71 × 411 × 1011 | 531 × 5471 |
| Prime factorization | 7 × 41 × 101 | 53 × 547 |
| Divisors count | 8 | 4 |
| Divisors | 1, 7, 41, 101, 287, 707, 4141, 28987 | 1, 53, 547, 28991 |
| Number of properties | 0 | 1 |
| Semiprimes | 7210th | |
| Roman numberals | ||
| Base 2 | 1110001001110112 | 1110001001111112 |
| Base 3 | 11102021213 | 11102022023 |
| Base 4 | 130103234 | 130103334 |
| Base 5 | 14114225 | 14114315 |
| Base 6 | 3421116 | 3421156 |
| Base 7 | 1503407 | 1503447 |
| Base 8 | 704738 | 704778 |
| Base 9 | 436779 | 436829 |
| Base 10 | 2898710 | 2899110 |
| Base 11 | 1a86211 | 1a86611 |
| Base 12 | 1493712 | 1493b12 |
| Base 13 | 1026a13 | 1027113 |
| Base 14 | a7c714 | a7cb14 |
| Base 15 | 88c715 | 88cb15 |
| Base 16 | 713b16 | 713f16 |