Compare 421 vs 571
| Property | 421 | 571 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 4211 | 5711 |
| Prime factorization | 421 | 571 |
| Divisors count | 2 | 2 |
| Divisors | 1, 421 | 1, 571 |
| Number of properties | 6 | 7 |
| Additive primes | 48th | 56th |
| Centered square primes | 8th | |
| Centered triangular primes | 6th | |
| Chen primes | 75th | |
| Long primes | 39th | |
| Lucky primes | 23rd | |
| Primes | 82nd | 105th |
| Pythagorean primes | 40th | |
| Sexy primes (1st member) | 51st | |
| Twin primes (2nd member) | 22nd | 26th |
| Roman numberals | CDXXI | DLXXI |
| Base 2 | 1101001012 | 10001110112 |
| Base 3 | 1201213 | 2100113 |
| Base 4 | 122114 | 203234 |
| Base 5 | 31415 | 42415 |
| Base 6 | 15416 | 23516 |
| Base 7 | 11417 | 14447 |
| Base 8 | 6458 | 10738 |
| Base 9 | 5179 | 7049 |
| Base 10 | 42110 | 57110 |
| Base 11 | 35311 | 47a11 |
| Base 12 | 2b112 | 3b712 |
| Base 13 | 26513 | 34c13 |
| Base 14 | 22114 | 2cb14 |
| Base 15 | 1d115 | 28115 |
| Base 16 | 1a516 | 23b16 |