Compare 249 vs 256
| Property | 249 | 256 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 1 |
| Total factors | 2 | 8 |
| Prime factorization | 31 × 831 | 28 |
| Prime factorization | 3 × 83 | 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 |
| Divisors count | 4 | 9 |
| Divisors | 1, 3, 83, 249 | 1, 2, 4, 8, 16, 32, 64, 128, 256 |
| Number of properties | 1 | 0 |
| Semiprimes | 80th | |
| Roman numberals | CCXLIX | CCLVI |
| Base 2 | 111110012 | 1000000002 |
| Base 3 | 1000203 | 1001113 |
| Base 4 | 33214 | 100004 |
| Base 5 | 14445 | 20115 |
| Base 6 | 10536 | 11046 |
| Base 7 | 5047 | 5147 |
| Base 8 | 3718 | 4008 |
| Base 9 | 3069 | 3149 |
| Base 10 | 24910 | 25610 |
| Base 11 | 20711 | 21311 |
| Base 12 | 18912 | 19412 |
| Base 13 | 16213 | 16913 |
| Base 14 | 13b14 | 14414 |
| Base 15 | 11915 | 12115 |
| Base 16 | f916 | 10016 |