Compare 521 vs 587
| Property | 521 | 587 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 5211 | 5871 |
| Prime factorization | 521 | 587 |
| Divisors count | 2 | 2 |
| Divisors | 1, 521 | 1, 587 |
| Number of properties | 6 | 8 |
| Chen primes | 70th | 77th |
| Good primes | 32nd | |
| Isolated primes | 56th | |
| Lucas primes | 8th | |
| Primes | 98th | 107th |
| Pythagorean primes | 46th | |
| Safe primes | 20th | |
| Sexy primes (1st member) | 52nd | |
| Sexy prime triplets (1st member) | 21st | |
| Solinas primes | 39th | |
| Super primes | 28th | |
| Twin primes (1st member) | 25th | |
| Roman numberals | DXXI | DLXXXVII |
| Base 2 | 10000010012 | 10010010112 |
| Base 3 | 2010223 | 2102023 |
| Base 4 | 200214 | 210234 |
| Base 5 | 40415 | 43225 |
| Base 6 | 22256 | 24156 |
| Base 7 | 13437 | 14667 |
| Base 8 | 10118 | 11138 |
| Base 9 | 6389 | 7229 |
| Base 10 | 52110 | 58710 |
| Base 11 | 43411 | 49411 |
| Base 12 | 37512 | 40b12 |
| Base 13 | 31113 | 36213 |
| Base 14 | 29314 | 2dd14 |
| Base 15 | 24b15 | 29215 |
| Base 16 | 20916 | 24b16 |