Compare 11986 vs 11987
| Property | 11986 | 11987 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 131 × 4611 | 119871 |
| Prime factorization | 2 × 13 × 461 | 11987 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 13, 26, 461, 922, 5993, 11986 | 1, 11987 |
| Number of properties | 0 | 4 |
| Chen primes | 736th | |
| Isolated primes | 969th | |
| Primes | 1438th | |
| Sexy primes (2nd member) | 462nd | |
| Roman numberals | ||
| Base 2 | 101110110100102 | 101110110100112 |
| Base 3 | 1211022213 | 1211022223 |
| Base 4 | 23231024 | 23231034 |
| Base 5 | 3404215 | 3404225 |
| Base 6 | 1312546 | 1312556 |
| Base 7 | 466427 | 466437 |
| Base 8 | 273228 | 273238 |
| Base 9 | 173879 | 173889 |
| Base 10 | 1198610 | 1198710 |
| Base 11 | 900711 | 900811 |
| Base 12 | 6b2a12 | 6b2b12 |
| Base 13 | 55c013 | 55c113 |
| Base 14 | 452214 | 452314 |
| Base 15 | 384115 | 384215 |
| Base 16 | 2ed216 | 2ed316 |