Compare 11991 vs 11999
| Property | 11991 | 11999 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 2 |
| Total factors | 3 | 3 |
| Prime factorization | 31 × 71 × 5711 | 132 × 711 |
| Prime factorization | 3 × 7 × 571 | 13 × 13 × 71 |
| Divisors count | 8 | 6 |
| Divisors | 1, 3, 7, 21, 571, 1713, 3997, 11991 | 1, 13, 71, 169, 923, 11999 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 101110110101112 | 101110110111112 |
| Base 3 | 1211100103 | 1211101023 |
| Base 4 | 23231134 | 23231334 |
| Base 5 | 3404315 | 3404445 |
| Base 6 | 1313036 | 1313156 |
| Base 7 | 466507 | 466617 |
| Base 8 | 273278 | 273378 |
| Base 9 | 174039 | 174129 |
| Base 10 | 1199110 | 1199910 |
| Base 11 | 901111 | 901911 |
| Base 12 | 6b3312 | 6b3b12 |
| Base 13 | 55c513 | 560013 |
| Base 14 | 452714 | 453114 |
| Base 15 | 384615 | 384e15 |
| Base 16 | 2ed716 | 2edf16 |