Compare 397 vs 673
| Property | 397 | 673 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 3971 | 6731 |
| Prime factorization | 397 | 673 |
| Divisors count | 2 | 2 |
| Divisors | 1, 397 | 1, 673 |
| Number of properties | 8 | 9 |
| Additive primes | 45th | |
| Cousin primes (1st member) | 22nd | 30th |
| Cuban primes 1 | 8th | |
| Happy primes | 21st | 27th |
| Isolated primes | 37th | 63rd |
| Left-truncatable primes | 31st | 41st |
| Lucky primes | 34th | |
| Primes | 78th | 122nd |
| Proth primes | 15th | |
| Pythagorean primes | 37th | 58th |
| Ulam primes | 14th | |
| Roman numberals | CCCXCVII | DCLXXIII |
| Base 2 | 1100011012 | 10101000012 |
| Base 3 | 1122013 | 2202213 |
| Base 4 | 120314 | 222014 |
| Base 5 | 30425 | 101435 |
| Base 6 | 15016 | 30416 |
| Base 7 | 11057 | 16517 |
| Base 8 | 6158 | 12418 |
| Base 9 | 4819 | 8279 |
| Base 10 | 39710 | 67310 |
| Base 11 | 33111 | 56211 |
| Base 12 | 29112 | 48112 |
| Base 13 | 24713 | 3ca13 |
| Base 14 | 20514 | 36114 |
| Base 15 | 1b715 | 2ed15 |
| Base 16 | 18d16 | 2a116 |