Compare 28638 vs 28639
| Property | 28638 | 28639 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 4 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 21 × 32 × 371 × 431 | 131 × 22031 |
| Prime factorization | 2 × 3 × 3 × 37 × 43 | 13 × 2203 |
| Divisors count | 24 | 4 |
| Divisors | 1, 2, 3, 6, 9, 18, 37, 43, 74, 86, 111, 129, 222, 258, 333, 387, 666, 774, 1591, 3182, 4773, 9546, 14319, 28638 | 1, 13, 2203, 28639 |
| Number of properties | 0 | 1 |
| Semiprimes | 7128th | |
| Roman numberals | ||
| Base 2 | 1101111110111102 | 1101111110111112 |
| Base 3 | 11100212003 | 11100212013 |
| Base 4 | 123331324 | 123331334 |
| Base 5 | 14040235 | 14040245 |
| Base 6 | 3403306 | 3403316 |
| Base 7 | 1463317 | 1463327 |
| Base 8 | 677368 | 677378 |
| Base 9 | 432509 | 432519 |
| Base 10 | 2863810 | 2863910 |
| Base 11 | 1a57511 | 1a57611 |
| Base 12 | 146a612 | 146a712 |
| Base 13 | 1005c13 | 1006013 |
| Base 14 | a61814 | a61914 |
| Base 15 | 874315 | 874415 |
| Base 16 | 6fde16 | 6fdf16 |