Compare 397 vs 2791
| Property | 397 | 2791 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 3971 | 27911 |
| Prime factorization | 397 | 2791 |
| Divisors count | 2 | 2 |
| Divisors | 1, 397 | 1, 2791 |
| Number of properties | 8 | 6 |
| Additive primes | 45th | 212th |
| Cousin primes (1st member) | 22nd | |
| Cuban primes 1 | 8th | 17th |
| Happy primes | 21st | |
| Isolated primes | 37th | |
| Left-truncatable primes | 31st | |
| Primes | 78th | 406th |
| Pythagorean primes | 37th | |
| Sexy primes (1st member) | 162nd | |
| Sexy prime triplets (1st member) | 60th | |
| Twin primes (2nd member) | 79th | |
| Roman numberals | CCCXCVII | MMDCCXCI |
| Base 2 | 1100011012 | 1010111001112 |
| Base 3 | 1122013 | 102111013 |
| Base 4 | 120314 | 2232134 |
| Base 5 | 30425 | 421315 |
| Base 6 | 15016 | 205316 |
| Base 7 | 11057 | 110657 |
| Base 8 | 6158 | 53478 |
| Base 9 | 4819 | 37419 |
| Base 10 | 39710 | 279110 |
| Base 11 | 33111 | 210811 |
| Base 12 | 29112 | 174712 |
| Base 13 | 24713 | 136913 |
| Base 14 | 20514 | 103514 |
| Base 15 | 1b715 | c6115 |
| Base 16 | 18d16 | ae716 |