Compare 421 vs 577
| Property | 421 | 577 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 4211 | 5771 |
| Prime factorization | 421 | 577 |
| Divisors count | 2 | 2 |
| Divisors | 1, 421 | 1, 577 |
| Number of properties | 6 | 11 |
| Additive primes | 48th | 57th |
| Centered square primes | 8th | |
| Chen primes | 76th | |
| Isolated primes | 55th | |
| Long primes | 40th | |
| Lucky primes | 23rd | 28th |
| Pierpont primes | 17th | |
| Primes | 82nd | 106th |
| Proth primes | 13th | |
| Pythagorean primes | 40th | 50th |
| Sexy primes (2nd member) | 51st | |
| Solinas primes | 40th | |
| Twin primes (2nd member) | 22nd | |
| Roman numberals | CDXXI | DLXXVII |
| Base 2 | 1101001012 | 10010000012 |
| Base 3 | 1201213 | 2101013 |
| Base 4 | 122114 | 210014 |
| Base 5 | 31415 | 43025 |
| Base 6 | 15416 | 24016 |
| Base 7 | 11417 | 14537 |
| Base 8 | 6458 | 11018 |
| Base 9 | 5179 | 7119 |
| Base 10 | 42110 | 57710 |
| Base 11 | 35311 | 48511 |
| Base 12 | 2b112 | 40112 |
| Base 13 | 26513 | 35513 |
| Base 14 | 22114 | 2d314 |
| Base 15 | 1d115 | 28715 |
| Base 16 | 1a516 | 24116 |