Compare 1984 vs 1987
| Property | 1984 | 1987 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 2 | 1 |
| Total factors | 7 | 1 |
| Prime factorization | 26 × 311 | 19871 |
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 2 × 31 | 1987 |
| Divisors count | 14 | 2 |
| Divisors | 1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1984 | 1, 1987 |
| Number of properties | 0 | 6 |
| Good primes | 62nd | |
| Isolated primes | 181st | |
| Lucky primes | 70th | |
| Primes | 300th | |
| Sexy primes (1st member) | 127th | |
| Sexy prime triplets (1st member) | 50th | |
| Roman numberals | MCMLXXXIV | MCMLXXXVII |
| Base 2 | 111110000002 | 111110000112 |
| Base 3 | 22011113 | 22011213 |
| Base 4 | 1330004 | 1330034 |
| Base 5 | 304145 | 304225 |
| Base 6 | 131046 | 131116 |
| Base 7 | 55337 | 55367 |
| Base 8 | 37008 | 37038 |
| Base 9 | 26449 | 26479 |
| Base 10 | 198410 | 198710 |
| Base 11 | 154411 | 154711 |
| Base 12 | 119412 | 119712 |
| Base 13 | b9813 | b9b13 |
| Base 14 | a1a14 | a1d14 |
| Base 15 | 8c415 | 8c715 |
| Base 16 | 7c016 | 7c316 |