Compare 284 vs 291
| Property | 284 | 291 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 22 × 711 | 31 × 971 |
| Prime factorization | 2 × 2 × 71 | 3 × 97 |
| Divisors count | 6 | 4 |
| Divisors | 1, 2, 4, 71, 142, 284 | 1, 3, 97, 291 |
| Number of properties | 0 | 1 |
| Semiprimes | 91st | |
| Roman numberals | CCLXXXIV | CCXCI |
| Base 2 | 1000111002 | 1001000112 |
| Base 3 | 1011123 | 1012103 |
| Base 4 | 101304 | 102034 |
| Base 5 | 21145 | 21315 |
| Base 6 | 11526 | 12036 |
| Base 7 | 5547 | 5647 |
| Base 8 | 4348 | 4438 |
| Base 9 | 3459 | 3539 |
| Base 10 | 28410 | 29110 |
| Base 11 | 23911 | 24511 |
| Base 12 | 1b812 | 20312 |
| Base 13 | 18b13 | 19513 |
| Base 14 | 16414 | 16b14 |
| Base 15 | 13e15 | 14615 |
| Base 16 | 11c16 | 12316 |