Compare 28639 vs 28645
| Property | 28639 | 28645 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 131 × 22031 | 51 × 171 × 3371 |
| Prime factorization | 13 × 2203 | 5 × 17 × 337 |
| Divisors count | 4 | 8 |
| Divisors | 1, 13, 2203, 28639 | 1, 5, 17, 85, 337, 1685, 5729, 28645 |
| Number of properties | 1 | 0 |
| Semiprimes | 7128th | |
| Roman numberals | ||
| Base 2 | 1101111110111112 | 1101111111001012 |
| Base 3 | 11100212013 | 11100212213 |
| Base 4 | 123331334 | 123332114 |
| Base 5 | 14040245 | 14040405 |
| Base 6 | 3403316 | 3403416 |
| Base 7 | 1463327 | 1463417 |
| Base 8 | 677378 | 677458 |
| Base 9 | 432519 | 432579 |
| Base 10 | 2863910 | 2864510 |
| Base 11 | 1a57611 | 1a58111 |
| Base 12 | 146a712 | 146b112 |
| Base 13 | 1006013 | 1006613 |
| Base 14 | a61914 | a62114 |
| Base 15 | 874415 | 874a15 |
| Base 16 | 6fdf16 | 6fe516 |