Compare 551 vs 557
Property | 551 | 557 |
---|---|---|
Type | semiprime | prime |
Unique factors | 2 | 1 |
Total factors | 2 | 1 |
Prime factorization | 191 × 291 | 5571 |
Prime factorization | 19 × 29 | 557 |
Divisors count | 4 | 2 |
Divisors | 1, 19, 29, 551 | 1, 557 |
Number of properties | 1 | 9 |
Additive primes | 55th | |
Chen primes | 72nd | |
Good primes | 29th | |
Harmonic primes | 43rd | |
Isolated primes | 53rd | |
Primes | 102nd | |
Pythagorean primes | 48th | |
Semiprimes | 172nd | |
Sexy primes (1st member) | 49th | |
Sexy prime triplets (1st member) | 20th | |
Roman numberals | DLI | DLVII |
Base 2 | 10001001112 | 10001011012 |
Base 3 | 2021023 | 2021223 |
Base 4 | 202134 | 202314 |
Base 5 | 42015 | 42125 |
Base 6 | 23156 | 23256 |
Base 7 | 14157 | 14247 |
Base 8 | 10478 | 10558 |
Base 9 | 6729 | 6789 |
Base 10 | 55110 | 55710 |
Base 11 | 46111 | 46711 |
Base 12 | 39b12 | 3a512 |
Base 13 | 33513 | 33b13 |
Base 14 | 2b514 | 2bb14 |
Base 15 | 26b15 | 27215 |
Base 16 | 22716 | 22d16 |