Compare 631 vs 761
| Property | 631 | 761 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6311 | 7611 |
| Prime factorization | 631 | 761 |
| Divisors count | 2 | 2 |
| Divisors | 1, 631 | 1, 761 |
| Number of properties | 6 | 9 |
| Centered square primes | 10th | |
| Centered triangular primes | 7th | |
| Chen primes | 80th | 91st |
| Cousin primes (2nd member) | 32nd | |
| Cuban primes 1 | 10th | |
| Emirps | 27th | |
| Happy primes | 31st | |
| Isolated primes | 60th | 76th |
| Lucky primes | 32nd | |
| Primes | 115th | 135th |
| Pythagorean primes | 64th | |
| Sophie germain primes | 34th | |
| Roman numberals | DCXXXI | DCCLXI |
| Base 2 | 10011101112 | 10111110012 |
| Base 3 | 2121013 | 10010123 |
| Base 4 | 213134 | 233214 |
| Base 5 | 100115 | 110215 |
| Base 6 | 25316 | 33056 |
| Base 7 | 15617 | 21357 |
| Base 8 | 11678 | 13718 |
| Base 9 | 7719 | 10359 |
| Base 10 | 63110 | 76110 |
| Base 11 | 52411 | 63211 |
| Base 12 | 44712 | 53512 |
| Base 13 | 39713 | 46713 |
| Base 14 | 33114 | 3c514 |
| Base 15 | 2c115 | 35b15 |
| Base 16 | 27716 | 2f916 |