Compare 1987 vs 2161
Property | 1987 | 2161 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 19871 | 21611 |
Prime factorization | 1987 | 2161 |
Divisors count | 2 | 2 |
Divisors | 1, 1987 | 1, 2161 |
Number of properties | 6 | 3 |
Good primes | 62nd | |
Isolated primes | 181st | 193rd |
Lucky primes | 70th | |
Primes | 300th | 326th |
Pythagorean primes | 159th | |
Sexy primes (1st member) | 127th | |
Sexy prime triplets (1st member) | 50th | |
Roman numberals | MCMLXXXVII | MMCLXI |
Base 2 | 111110000112 | 1000011100012 |
Base 3 | 22011213 | 22220013 |
Base 4 | 1330034 | 2013014 |
Base 5 | 304225 | 321215 |
Base 6 | 131116 | 140016 |
Base 7 | 55367 | 62057 |
Base 8 | 37038 | 41618 |
Base 9 | 26479 | 28619 |
Base 10 | 198710 | 216110 |
Base 11 | 154711 | 169511 |
Base 12 | 119712 | 130112 |
Base 13 | b9b13 | ca313 |
Base 14 | a1d14 | b0514 |
Base 15 | 8c715 | 99115 |
Base 16 | 7c316 | 87116 |