Compare 254 vs 291
| Property | 254 | 291 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 21 × 1271 | 31 × 971 |
| Prime factorization | 2 × 127 | 3 × 97 |
| Divisors count | 4 | 4 |
| Divisors | 1, 2, 127, 254 | 1, 3, 97, 291 |
| Number of properties | 1 | 1 |
| Semiprimes | 82nd | 91st |
| Roman numberals | CCLIV | CCXCI |
| Base 2 | 111111102 | 1001000112 |
| Base 3 | 1001023 | 1012103 |
| Base 4 | 33324 | 102034 |
| Base 5 | 20045 | 21315 |
| Base 6 | 11026 | 12036 |
| Base 7 | 5127 | 5647 |
| Base 8 | 3768 | 4438 |
| Base 9 | 3129 | 3539 |
| Base 10 | 25410 | 29110 |
| Base 11 | 21111 | 24511 |
| Base 12 | 19212 | 20312 |
| Base 13 | 16713 | 19513 |
| Base 14 | 14214 | 16b14 |
| Base 15 | 11e15 | 14615 |
| Base 16 | fe16 | 12316 |