Compare 421 vs 631
| Property | 421 | 631 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 4211 | 6311 |
| Prime factorization | 421 | 631 |
| Divisors count | 2 | 2 |
| Divisors | 1, 421 | 1, 631 |
| Number of properties | 6 | 6 |
| Additive primes | 48th | |
| Centered square primes | 8th | |
| Centered triangular primes | 7th | |
| Chen primes | 80th | |
| Cuban primes 1 | 10th | |
| Isolated primes | 60th | |
| Lucky primes | 23rd | 32nd |
| Primes | 82nd | 115th |
| Pythagorean primes | 40th | |
| Twin primes (2nd member) | 22nd | |
| Roman numberals | CDXXI | DCXXXI |
| Base 2 | 1101001012 | 10011101112 |
| Base 3 | 1201213 | 2121013 |
| Base 4 | 122114 | 213134 |
| Base 5 | 31415 | 100115 |
| Base 6 | 15416 | 25316 |
| Base 7 | 11417 | 15617 |
| Base 8 | 6458 | 11678 |
| Base 9 | 5179 | 7719 |
| Base 10 | 42110 | 63110 |
| Base 11 | 35311 | 52411 |
| Base 12 | 2b112 | 44712 |
| Base 13 | 26513 | 39713 |
| Base 14 | 22114 | 33114 |
| Base 15 | 1d115 | 2c115 |
| Base 16 | 1a516 | 27716 |