Compare 28640 vs 28651
| Property | 28640 | 28651 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 7 | 2 |
| Prime factorization | 25 × 51 × 1791 | 71 × 40931 |
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 5 × 179 | 7 × 4093 |
| Divisors count | 24 | 4 |
| Divisors | 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 179, 358, 716, 895, 1432, 1790, 2864, 3580, 5728, 7160, 14320, 28640 | 1, 7, 4093, 28651 |
| Number of properties | 0 | 1 |
| Semiprimes | 7132nd | |
| Roman numberals | ||
| Base 2 | 1101111111000002 | 1101111111010112 |
| Base 3 | 11100212023 | 11100220113 |
| Base 4 | 123332004 | 123332234 |
| Base 5 | 14040305 | 14041015 |
| Base 6 | 3403326 | 3403516 |
| Base 7 | 1463337 | 1463507 |
| Base 8 | 677408 | 677538 |
| Base 9 | 432529 | 432649 |
| Base 10 | 2864010 | 2865110 |
| Base 11 | 1a57711 | 1a58711 |
| Base 12 | 146a812 | 146b712 |
| Base 13 | 1006113 | 1006c13 |
| Base 14 | a61a14 | a62714 |
| Base 15 | 874515 | 875115 |
| Base 16 | 6fe016 | 6feb16 |