Compare 1987 vs 1996
| Property | 1987 | 1996 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 2 |
| Total factors | 1 | 3 |
| Prime factorization | 19871 | 22 × 4991 |
| Prime factorization | 1987 | 2 × 2 × 499 |
| Divisors count | 2 | 6 |
| Divisors | 1, 1987 | 1, 2, 4, 499, 998, 1996 |
| Number of properties | 6 | 0 |
| Good primes | 62nd | |
| Isolated primes | 181st | |
| Lucky primes | 70th | |
| Primes | 300th | |
| Sexy primes (1st member) | 127th | |
| Sexy prime triplets (1st member) | 50th | |
| Roman numberals | MCMLXXXVII | MCMXCVI |
| Base 2 | 111110000112 | 111110011002 |
| Base 3 | 22011213 | 22012213 |
| Base 4 | 1330034 | 1330304 |
| Base 5 | 304225 | 304415 |
| Base 6 | 131116 | 131246 |
| Base 7 | 55367 | 55517 |
| Base 8 | 37038 | 37148 |
| Base 9 | 26479 | 26579 |
| Base 10 | 198710 | 199610 |
| Base 11 | 154711 | 155511 |
| Base 12 | 119712 | 11a412 |
| Base 13 | b9b13 | ba713 |
| Base 14 | a1d14 | a2814 |
| Base 15 | 8c715 | 8d115 |
| Base 16 | 7c316 | 7cc16 |