Compare 397 vs 761
| Property | 397 | 761 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 3971 | 7611 |
| Prime factorization | 397 | 761 |
| Divisors count | 2 | 2 |
| Divisors | 1, 397 | 1, 761 |
| Number of properties | 8 | 9 |
| Additive primes | 45th | |
| Centered square primes | 10th | |
| Chen primes | 91st | |
| Cousin primes (1st member) | 22nd | |
| Cousin primes (2nd member) | 32nd | |
| Cuban primes 1 | 8th | |
| Emirps | 27th | |
| Happy primes | 21st | 31st |
| Isolated primes | 37th | 76th |
| Left-truncatable primes | 31st | |
| Primes | 78th | 135th |
| Pythagorean primes | 37th | 64th |
| Sophie germain primes | 34th | |
| Roman numberals | CCCXCVII | DCCLXI |
| Base 2 | 1100011012 | 10111110012 |
| Base 3 | 1122013 | 10010123 |
| Base 4 | 120314 | 233214 |
| Base 5 | 30425 | 110215 |
| Base 6 | 15016 | 33056 |
| Base 7 | 11057 | 21357 |
| Base 8 | 6158 | 13718 |
| Base 9 | 4819 | 10359 |
| Base 10 | 39710 | 76110 |
| Base 11 | 33111 | 63211 |
| Base 12 | 29112 | 53512 |
| Base 13 | 24713 | 46713 |
| Base 14 | 20514 | 3c514 |
| Base 15 | 1b715 | 35b15 |
| Base 16 | 18d16 | 2f916 |