Compare 864 vs 865
| Property | 864 | 865 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 8 | 2 |
| Prime factorization | 25 × 33 | 51 × 1731 |
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 | 5 × 173 |
| Divisors count | 24 | 4 |
| Divisors | 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 144, 216, 288, 432, 864 | 1, 5, 173, 865 |
| Number of properties | 0 | 1 |
| Semiprimes | 259th | |
| Roman numberals | DCCCLXIV | DCCCLXV |
| Base 2 | 11011000002 | 11011000012 |
| Base 3 | 10120003 | 10120013 |
| Base 4 | 312004 | 312014 |
| Base 5 | 114245 | 114305 |
| Base 6 | 40006 | 40016 |
| Base 7 | 23437 | 23447 |
| Base 8 | 15408 | 15418 |
| Base 9 | 11609 | 11619 |
| Base 10 | 86410 | 86510 |
| Base 11 | 71611 | 71711 |
| Base 12 | 60012 | 60112 |
| Base 13 | 51613 | 51713 |
| Base 14 | 45a14 | 45b14 |
| Base 15 | 3c915 | 3ca15 |
| Base 16 | 36016 | 36116 |