Compare 11978 vs 11987
| Property | 11978 | 11987 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 531 × 1131 | 119871 |
| Prime factorization | 2 × 53 × 113 | 11987 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 53, 106, 113, 226, 5989, 11978 | 1, 11987 |
| Number of properties | 0 | 4 |
| Chen primes | 736th | |
| Isolated primes | 969th | |
| Primes | 1438th | |
| Sexy primes (2nd member) | 462nd | |
| Roman numberals | ||
| Base 2 | 101110110010102 | 101110110100112 |
| Base 3 | 1211021223 | 1211022223 |
| Base 4 | 23230224 | 23231034 |
| Base 5 | 3404035 | 3404225 |
| Base 6 | 1312426 | 1312556 |
| Base 7 | 466317 | 466437 |
| Base 8 | 273128 | 273238 |
| Base 9 | 173789 | 173889 |
| Base 10 | 1197810 | 1198710 |
| Base 11 | 8aaa11 | 900811 |
| Base 12 | 6b2212 | 6b2b12 |
| Base 13 | 55b513 | 55c113 |
| Base 14 | 451814 | 452314 |
| Base 15 | 383815 | 384215 |
| Base 16 | 2eca16 | 2ed316 |