Compare 279 vs 291
| Property | 279 | 291 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 32 × 311 | 31 × 971 |
| Prime factorization | 3 × 3 × 31 | 3 × 97 |
| Divisors count | 6 | 4 |
| Divisors | 1, 3, 9, 31, 93, 279 | 1, 3, 97, 291 |
| Number of properties | 0 | 1 |
| Semiprimes | 91st | |
| Roman numberals | CCLXXIX | CCXCI |
| Base 2 | 1000101112 | 1001000112 |
| Base 3 | 1011003 | 1012103 |
| Base 4 | 101134 | 102034 |
| Base 5 | 21045 | 21315 |
| Base 6 | 11436 | 12036 |
| Base 7 | 5467 | 5647 |
| Base 8 | 4278 | 4438 |
| Base 9 | 3409 | 3539 |
| Base 10 | 27910 | 29110 |
| Base 11 | 23411 | 24511 |
| Base 12 | 1b312 | 20312 |
| Base 13 | 18613 | 19513 |
| Base 14 | 15d14 | 16b14 |
| Base 15 | 13915 | 14615 |
| Base 16 | 11716 | 12316 |