Compare 521 vs 557
Property | 521 | 557 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 5211 | 5571 |
Prime factorization | 521 | 557 |
Divisors count | 2 | 2 |
Divisors | 1, 521 | 1, 557 |
Number of properties | 6 | 9 |
Additive primes | 55th | |
Chen primes | 70th | 72nd |
Good primes | 29th | |
Harmonic primes | 43rd | |
Isolated primes | 53rd | |
Lucas primes | 8th | |
Primes | 98th | 102nd |
Pythagorean primes | 46th | 48th |
Sexy primes (1st member) | 49th | |
Sexy prime triplets (1st member) | 20th | |
Solinas primes | 39th | |
Twin primes (1st member) | 25th | |
Roman numberals | DXXI | DLVII |
Base 2 | 10000010012 | 10001011012 |
Base 3 | 2010223 | 2021223 |
Base 4 | 200214 | 202314 |
Base 5 | 40415 | 42125 |
Base 6 | 22256 | 23256 |
Base 7 | 13437 | 14247 |
Base 8 | 10118 | 10558 |
Base 9 | 6389 | 6789 |
Base 10 | 52110 | 55710 |
Base 11 | 43411 | 46711 |
Base 12 | 37512 | 3a512 |
Base 13 | 31113 | 33b13 |
Base 14 | 29314 | 2bb14 |
Base 15 | 24b15 | 27215 |
Base 16 | 20916 | 22d16 |