Compare 673 vs 809
| Property | 673 | 809 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6731 | 8091 |
| Prime factorization | 673 | 809 |
| Divisors count | 2 | 2 |
| Divisors | 1, 673 | 1, 809 |
| Number of properties | 9 | 7 |
| Additive primes | 74th | |
| Chen primes | 95th | |
| Cousin primes (1st member) | 30th | |
| Good primes | 39th | |
| Happy primes | 27th | |
| Isolated primes | 63rd | |
| Left-truncatable primes | 41st | |
| Lucky primes | 34th | |
| Primes | 122nd | 140th |
| Proth primes | 15th | |
| Pythagorean primes | 58th | 68th |
| Sophie germain primes | 35th | |
| Twin primes (1st member) | 31st | |
| Ulam primes | 14th | |
| Roman numberals | DCLXXIII | DCCCIX |
| Base 2 | 10101000012 | 11001010012 |
| Base 3 | 2202213 | 10022223 |
| Base 4 | 222014 | 302214 |
| Base 5 | 101435 | 112145 |
| Base 6 | 30416 | 34256 |
| Base 7 | 16517 | 22347 |
| Base 8 | 12418 | 14518 |
| Base 9 | 8279 | 10889 |
| Base 10 | 67310 | 80910 |
| Base 11 | 56211 | 67611 |
| Base 12 | 48112 | 57512 |
| Base 13 | 3ca13 | 4a313 |
| Base 14 | 36114 | 41b14 |
| Base 15 | 2ed15 | 38e15 |
| Base 16 | 2a116 | 32916 |