Compare 397 vs 683
| Property | 397 | 683 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 3971 | 6831 |
| Prime factorization | 397 | 683 |
| Divisors count | 2 | 2 |
| Divisors | 1, 397 | 1, 683 |
| Number of properties | 8 | 10 |
| Additive primes | 45th | 66th |
| Chen primes | 86th | |
| Cousin primes (1st member) | 22nd | |
| Cuban primes 1 | 8th | |
| Happy primes | 21st | 28th |
| Harmonic primes | 49th | |
| Isolated primes | 37th | 65th |
| Left-truncatable primes | 31st | 42nd |
| Primes | 78th | 124th |
| Pythagorean primes | 37th | |
| Sexy primes (2nd member) | 60th | |
| Sophie germain primes | 31st | |
| Wagstaff primes | 4th | |
| Roman numberals | CCCXCVII | DCLXXXIII |
| Base 2 | 1100011012 | 10101010112 |
| Base 3 | 1122013 | 2210223 |
| Base 4 | 120314 | 222234 |
| Base 5 | 30425 | 102135 |
| Base 6 | 15016 | 30556 |
| Base 7 | 11057 | 16647 |
| Base 8 | 6158 | 12538 |
| Base 9 | 4819 | 8389 |
| Base 10 | 39710 | 68310 |
| Base 11 | 33111 | 57111 |
| Base 12 | 29112 | 48b12 |
| Base 13 | 24713 | 40713 |
| Base 14 | 20514 | 36b14 |
| Base 15 | 1b715 | 30815 |
| Base 16 | 18d16 | 2ab16 |