Compare 1987 vs 2099
| Property | 1987 | 2099 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 19871 | 20991 |
| Prime factorization | 1987 | 2099 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1987 | 1, 2099 |
| Number of properties | 6 | 6 |
| Chen primes | 194th | |
| Good primes | 62nd | |
| Isolated primes | 181st | 190th |
| Long primes | 121st | |
| Lucky primes | 70th | |
| Primes | 300th | 317th |
| Safe primes | 41st | |
| Sexy primes (1st member) | 127th | |
| Sexy prime triplets (1st member) | 50th | |
| Super primes | 66th | |
| Roman numberals | MCMLXXXVII | MMXCIX |
| Base 2 | 111110000112 | 1000001100112 |
| Base 3 | 22011213 | 22122023 |
| Base 4 | 1330034 | 2003034 |
| Base 5 | 304225 | 313445 |
| Base 6 | 131116 | 134156 |
| Base 7 | 55367 | 60567 |
| Base 8 | 37038 | 40638 |
| Base 9 | 26479 | 27829 |
| Base 10 | 198710 | 209910 |
| Base 11 | 154711 | 163911 |
| Base 12 | 119712 | 126b12 |
| Base 13 | b9b13 | c5613 |
| Base 14 | a1d14 | a9d14 |
| Base 15 | 8c715 | 94e15 |
| Base 16 | 7c316 | 83316 |