Compare 397 vs 769
| Property | 397 | 769 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 3971 | 7691 |
| Prime factorization | 397 | 769 |
| Divisors count | 2 | 2 |
| Divisors | 1, 397 | 1, 769 |
| Number of properties | 8 | 13 |
| Additive primes | 45th | |
| Chen primes | 92nd | |
| Cousin primes (1st member) | 22nd | 33rd |
| Cuban primes 1 | 8th | |
| Cuban primes 2 | 5th | |
| Emirps | 28th | |
| Happy primes | 21st | |
| Harmonic primes | 53rd | |
| Isolated primes | 37th | 77th |
| Left-truncatable primes | 31st | |
| Lucky primes | 37th | |
| Pierpont primes | 18th | |
| Primes | 78th | 136th |
| Proth primes | 16th | |
| Pythagorean primes | 37th | 65th |
| Solinas primes | 42nd | |
| Thabit primes of the 2nd kind | 5th | |
| Roman numberals | CCCXCVII | DCCLXIX |
| Base 2 | 1100011012 | 11000000012 |
| Base 3 | 1122013 | 10011113 |
| Base 4 | 120314 | 300014 |
| Base 5 | 30425 | 110345 |
| Base 6 | 15016 | 33216 |
| Base 7 | 11057 | 21467 |
| Base 8 | 6158 | 14018 |
| Base 9 | 4819 | 10449 |
| Base 10 | 39710 | 76910 |
| Base 11 | 33111 | 63a11 |
| Base 12 | 29112 | 54112 |
| Base 13 | 24713 | 47213 |
| Base 14 | 20514 | 3cd14 |
| Base 15 | 1b715 | 36415 |
| Base 16 | 18d16 | 30116 |