Compare 631 vs 673
| Property | 631 | 673 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6311 | 6731 |
| Prime factorization | 631 | 673 |
| Divisors count | 2 | 2 |
| Divisors | 1, 631 | 1, 673 |
| Number of properties | 6 | 9 |
| Centered triangular primes | 7th | |
| Chen primes | 80th | |
| Cousin primes (1st member) | 30th | |
| Cuban primes 1 | 10th | |
| Happy primes | 27th | |
| Isolated primes | 60th | 63rd |
| Left-truncatable primes | 41st | |
| Lucky primes | 32nd | 34th |
| Primes | 115th | 122nd |
| Proth primes | 15th | |
| Pythagorean primes | 58th | |
| Ulam primes | 14th | |
| Roman numberals | DCXXXI | DCLXXIII |
| Base 2 | 10011101112 | 10101000012 |
| Base 3 | 2121013 | 2202213 |
| Base 4 | 213134 | 222014 |
| Base 5 | 100115 | 101435 |
| Base 6 | 25316 | 30416 |
| Base 7 | 15617 | 16517 |
| Base 8 | 11678 | 12418 |
| Base 9 | 7719 | 8279 |
| Base 10 | 63110 | 67310 |
| Base 11 | 52411 | 56211 |
| Base 12 | 44712 | 48112 |
| Base 13 | 39713 | 3ca13 |
| Base 14 | 33114 | 36114 |
| Base 15 | 2c115 | 2ed15 |
| Base 16 | 27716 | 2a116 |