Compare 249 vs 291
| Property | 249 | 291 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 31 × 831 | 31 × 971 |
| Prime factorization | 3 × 83 | 3 × 97 |
| Divisors count | 4 | 4 |
| Divisors | 1, 3, 83, 249 | 1, 3, 97, 291 |
| Number of properties | 1 | 1 |
| Semiprimes | 80th | 91st |
| Roman numberals | CCXLIX | CCXCI |
| Base 2 | 111110012 | 1001000112 |
| Base 3 | 1000203 | 1012103 |
| Base 4 | 33214 | 102034 |
| Base 5 | 14445 | 21315 |
| Base 6 | 10536 | 12036 |
| Base 7 | 5047 | 5647 |
| Base 8 | 3718 | 4438 |
| Base 9 | 3069 | 3539 |
| Base 10 | 24910 | 29110 |
| Base 11 | 20711 | 24511 |
| Base 12 | 18912 | 20312 |
| Base 13 | 16213 | 19513 |
| Base 14 | 13b14 | 16b14 |
| Base 15 | 11915 | 14615 |
| Base 16 | f916 | 12316 |