Compare 743 vs 809
| Property | 743 | 809 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 7431 | 8091 |
| Prime factorization | 743 | 809 |
| Divisors count | 2 | 2 |
| Divisors | 1, 743 | 1, 809 |
| Number of properties | 8 | 7 |
| Additive primes | 74th | |
| Chen primes | 89th | 95th |
| Cousin primes (2nd member) | 31st | |
| Emirps | 25th | |
| Good primes | 39th | |
| Isolated primes | 73rd | |
| Left-truncatable primes | 43rd | |
| Long primes | 48th | |
| Primes | 132nd | 140th |
| Pythagorean primes | 68th | |
| Sophie germain primes | 33rd | 35th |
| Twin primes (1st member) | 31st | |
| Roman numberals | DCCXLIII | DCCCIX |
| Base 2 | 10111001112 | 11001010012 |
| Base 3 | 10001123 | 10022223 |
| Base 4 | 232134 | 302214 |
| Base 5 | 104335 | 112145 |
| Base 6 | 32356 | 34256 |
| Base 7 | 21117 | 22347 |
| Base 8 | 13478 | 14518 |
| Base 9 | 10159 | 10889 |
| Base 10 | 74310 | 80910 |
| Base 11 | 61611 | 67611 |
| Base 12 | 51b12 | 57512 |
| Base 13 | 45213 | 4a313 |
| Base 14 | 3b114 | 41b14 |
| Base 15 | 34815 | 38e15 |
| Base 16 | 2e716 | 32916 |