Compare 1987 vs 2069
| Property | 1987 | 2069 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 19871 | 20691 |
| Prime factorization | 1987 | 2069 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1987 | 1, 2069 |
| Number of properties | 6 | 8 |
| Additive primes | 161st | |
| Chen primes | 191st | |
| Good primes | 62nd | |
| Isolated primes | 181st | 189th |
| Long primes | 120th | |
| Lucky primes | 70th | |
| Primes | 300th | 312th |
| Pythagorean primes | 151st | |
| Sexy primes (1st member) | 127th | |
| Sexy primes (2nd member) | 131st | |
| Sexy prime triplets (1st member) | 50th | |
| Sophie germain primes | 64th | |
| Roman numberals | MCMLXXXVII | MMLXIX |
| Base 2 | 111110000112 | 1000000101012 |
| Base 3 | 22011213 | 22111223 |
| Base 4 | 1330034 | 2001114 |
| Base 5 | 304225 | 312345 |
| Base 6 | 131116 | 133256 |
| Base 7 | 55367 | 60147 |
| Base 8 | 37038 | 40258 |
| Base 9 | 26479 | 27489 |
| Base 10 | 198710 | 206910 |
| Base 11 | 154711 | 161111 |
| Base 12 | 119712 | 124512 |
| Base 13 | b9b13 | c3213 |
| Base 14 | a1d14 | a7b14 |
| Base 15 | 8c715 | 92e15 |
| Base 16 | 7c316 | 81516 |