Compare 409 vs 557
| Property | 409 | 557 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 4091 | 5571 |
| Prime factorization | 409 | 557 |
| Divisors count | 2 | 2 |
| Divisors | 1, 409 | 1, 557 |
| Number of properties | 9 | 9 |
| Additive primes | 47th | 55th |
| Centered triangular primes | 5th | |
| Chen primes | 57th | 72nd |
| Good primes | 29th | |
| Happy primes | 22nd | |
| Harmonic primes | 43rd | |
| Isolated primes | 39th | 53rd |
| Lucky primes | 22nd | |
| Primes | 80th | 102nd |
| Pythagorean primes | 39th | 48th |
| Sexy primes (1st member) | 49th | |
| Sexy prime triplets (1st member) | 20th | |
| Ulam primes | 11th | |
| Roman numberals | CDIX | DLVII |
| Base 2 | 1100110012 | 10001011012 |
| Base 3 | 1200113 | 2021223 |
| Base 4 | 121214 | 202314 |
| Base 5 | 31145 | 42125 |
| Base 6 | 15216 | 23256 |
| Base 7 | 11237 | 14247 |
| Base 8 | 6318 | 10558 |
| Base 9 | 5049 | 6789 |
| Base 10 | 40910 | 55710 |
| Base 11 | 34211 | 46711 |
| Base 12 | 2a112 | 3a512 |
| Base 13 | 25613 | 33b13 |
| Base 14 | 21314 | 2bb14 |
| Base 15 | 1c415 | 27215 |
| Base 16 | 19916 | 22d16 |