Compare 1987 vs 2791
| Property | 1987 | 2791 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 19871 | 27911 |
| Prime factorization | 1987 | 2791 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1987 | 1, 2791 |
| Number of properties | 6 | 6 |
| Additive primes | 212th | |
| Cuban primes 1 | 17th | |
| Good primes | 62nd | |
| Isolated primes | 181st | |
| Lucky primes | 70th | |
| Primes | 300th | 406th |
| Sexy primes (1st member) | 127th | 162nd |
| Sexy prime triplets (1st member) | 50th | 60th |
| Twin primes (2nd member) | 79th | |
| Roman numberals | MCMLXXXVII | MMDCCXCI |
| Base 2 | 111110000112 | 1010111001112 |
| Base 3 | 22011213 | 102111013 |
| Base 4 | 1330034 | 2232134 |
| Base 5 | 304225 | 421315 |
| Base 6 | 131116 | 205316 |
| Base 7 | 55367 | 110657 |
| Base 8 | 37038 | 53478 |
| Base 9 | 26479 | 37419 |
| Base 10 | 198710 | 279110 |
| Base 11 | 154711 | 210811 |
| Base 12 | 119712 | 174712 |
| Base 13 | b9b13 | 136913 |
| Base 14 | a1d14 | 103514 |
| Base 15 | 8c715 | c6115 |
| Base 16 | 7c316 | ae716 |