Compare 11987 vs 11988
| Property | 11987 | 11988 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 7 |
| Prime factorization | 119871 | 22 × 34 × 371 |
| Prime factorization | 11987 | 2 × 2 × 3 × 3 × 3 × 3 × 37 |
| Divisors count | 2 | 30 |
| Divisors | 1, 11987 | 1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 81, 108, 111, 148, 162, 222, 324, 333, 444, 666, 999, 1332, 1998, 2997, 3996, 5994, 11988 |
| Number of properties | 4 | 0 |
| Chen primes | 736th | |
| Isolated primes | 969th | |
| Primes | 1438th | |
| Sexy primes (2nd member) | 462nd | |
| Roman numberals | ||
| Base 2 | 101110110100112 | 101110110101002 |
| Base 3 | 1211022223 | 1211100003 |
| Base 4 | 23231034 | 23231104 |
| Base 5 | 3404225 | 3404235 |
| Base 6 | 1312556 | 1313006 |
| Base 7 | 466437 | 466447 |
| Base 8 | 273238 | 273248 |
| Base 9 | 173889 | 174009 |
| Base 10 | 1198710 | 1198810 |
| Base 11 | 900811 | 900911 |
| Base 12 | 6b2b12 | 6b3012 |
| Base 13 | 55c113 | 55c213 |
| Base 14 | 452314 | 452414 |
| Base 15 | 384215 | 384315 |
| Base 16 | 2ed316 | 2ed416 |