Compare 61 vs 557
| Property | 61 | 557 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 611 | 5571 |
| Prime factorization | 61 | 557 |
| Divisors count | 2 | 2 |
| Divisors | 1, 61 | 1, 557 |
| Number of properties | 12 | 9 |
| Additive primes | 11th | 55th |
| Centered decagonal primes | 3rd | |
| Centered square primes | 4th | |
| Chen primes | 72nd | |
| Cuban primes 1 | 4th | |
| Good primes | 29th | |
| Harmonic primes | 43rd | |
| Isolated primes | 53rd | |
| Long primes | 8th | |
| Primes | 18th | 102nd |
| Pythagorean primes | 8th | 48th |
| Sexy primes (1st member) | 12th | 49th |
| Sexy prime quadrupletss (1st member) | 4th | |
| Sexy prime triplets (1st member) | 8th | 20th |
| Solinas primes | 15th | |
| Twin primes (2nd member) | 7th | |
| Roman numberals | LXI | DLVII |
| Base 2 | 1111012 | 10001011012 |
| Base 3 | 20213 | 2021223 |
| Base 4 | 3314 | 202314 |
| Base 5 | 2215 | 42125 |
| Base 6 | 1416 | 23256 |
| Base 7 | 1157 | 14247 |
| Base 8 | 758 | 10558 |
| Base 9 | 679 | 6789 |
| Base 10 | 6110 | 55710 |
| Base 11 | 5611 | 46711 |
| Base 12 | 5112 | 3a512 |
| Base 13 | 4913 | 33b13 |
| Base 14 | 4514 | 2bb14 |
| Base 15 | 4115 | 27215 |
| Base 16 | 3d16 | 22d16 |