Compare 557 vs 661
Property | 557 | 661 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 5571 | 6611 |
Prime factorization | 557 | 661 |
Divisors count | 2 | 2 |
Divisors | 1, 557 | 1, 661 |
Number of properties | 9 | 5 |
Additive primes | 55th | 65th |
Centered decagonal primes | 8th | |
Chen primes | 72nd | |
Good primes | 29th | |
Harmonic primes | 43rd | |
Isolated primes | 53rd | |
Primes | 102nd | 121st |
Pythagorean primes | 48th | 57th |
Sexy primes (1st member) | 49th | |
Sexy prime triplets (1st member) | 20th | |
Twin primes (2nd member) | 30th | |
Roman numberals | DLVII | DCLXI |
Base 2 | 10001011012 | 10100101012 |
Base 3 | 2021223 | 2201113 |
Base 4 | 202314 | 221114 |
Base 5 | 42125 | 101215 |
Base 6 | 23256 | 30216 |
Base 7 | 14247 | 16337 |
Base 8 | 10558 | 12258 |
Base 9 | 6789 | 8149 |
Base 10 | 55710 | 66110 |
Base 11 | 46711 | 55111 |
Base 12 | 3a512 | 47112 |
Base 13 | 33b13 | 3bb13 |
Base 14 | 2bb14 | 35314 |
Base 15 | 27215 | 2e115 |
Base 16 | 22d16 | 29516 |