Compare 11991 vs 11997
| Property | 11991 | 11997 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 3 |
| Total factors | 3 | 4 |
| Prime factorization | 31 × 71 × 5711 | 32 × 311 × 431 |
| Prime factorization | 3 × 7 × 571 | 3 × 3 × 31 × 43 |
| Divisors count | 8 | 12 |
| Divisors | 1, 3, 7, 21, 571, 1713, 3997, 11991 | 1, 3, 9, 31, 43, 93, 129, 279, 387, 1333, 3999, 11997 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 101110110101112 | 101110110111012 |
| Base 3 | 1211100103 | 1211101003 |
| Base 4 | 23231134 | 23231314 |
| Base 5 | 3404315 | 3404425 |
| Base 6 | 1313036 | 1313136 |
| Base 7 | 466507 | 466567 |
| Base 8 | 273278 | 273358 |
| Base 9 | 174039 | 174109 |
| Base 10 | 1199110 | 1199710 |
| Base 11 | 901111 | 901711 |
| Base 12 | 6b3312 | 6b3912 |
| Base 13 | 55c513 | 55cb13 |
| Base 14 | 452714 | 452d14 |
| Base 15 | 384615 | 384c15 |
| Base 16 | 2ed716 | 2edd16 |