Compare 11980 vs 11987
| Property | 11980 | 11987 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 22 × 51 × 5991 | 119871 |
| Prime factorization | 2 × 2 × 5 × 599 | 11987 |
| Divisors count | 12 | 2 |
| Divisors | 1, 2, 4, 5, 10, 20, 599, 1198, 2396, 2995, 5990, 11980 | 1, 11987 |
| Number of properties | 0 | 4 |
| Chen primes | 736th | |
| Isolated primes | 969th | |
| Primes | 1438th | |
| Sexy primes (2nd member) | 462nd | |
| Roman numberals | ||
| Base 2 | 101110110011002 | 101110110100112 |
| Base 3 | 1211022013 | 1211022223 |
| Base 4 | 23230304 | 23231034 |
| Base 5 | 3404105 | 3404225 |
| Base 6 | 1312446 | 1312556 |
| Base 7 | 466337 | 466437 |
| Base 8 | 273148 | 273238 |
| Base 9 | 173819 | 173889 |
| Base 10 | 1198010 | 1198710 |
| Base 11 | 900111 | 900811 |
| Base 12 | 6b2412 | 6b2b12 |
| Base 13 | 55b713 | 55c113 |
| Base 14 | 451a14 | 452314 |
| Base 15 | 383a15 | 384215 |
| Base 16 | 2ecc16 | 2ed316 |