Compare 1987 vs 2153
| Property | 1987 | 2153 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 19871 | 21531 |
| Prime factorization | 1987 | 2153 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1987 | 1, 2153 |
| Number of properties | 6 | 6 |
| Additive primes | 170th | |
| Chen primes | 198th | |
| Good primes | 62nd | |
| Isolated primes | 181st | 192nd |
| Long primes | 126th | |
| Lucky primes | 70th | |
| Primes | 300th | 325th |
| Pythagorean primes | 158th | |
| Sexy primes (1st member) | 127th | |
| Sexy prime triplets (1st member) | 50th | |
| Roman numberals | MCMLXXXVII | MMCLIII |
| Base 2 | 111110000112 | 1000011010012 |
| Base 3 | 22011213 | 22212023 |
| Base 4 | 1330034 | 2012214 |
| Base 5 | 304225 | 321035 |
| Base 6 | 131116 | 135456 |
| Base 7 | 55367 | 61647 |
| Base 8 | 37038 | 41518 |
| Base 9 | 26479 | 28529 |
| Base 10 | 198710 | 215310 |
| Base 11 | 154711 | 168811 |
| Base 12 | 119712 | 12b512 |
| Base 13 | b9b13 | c9813 |
| Base 14 | a1d14 | adb14 |
| Base 15 | 8c715 | 98815 |
| Base 16 | 7c316 | 86916 |