Compare 809 vs 1289
| Property | 809 | 1289 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 8091 | 12891 |
| Prime factorization | 809 | 1289 |
| Divisors count | 2 | 2 |
| Divisors | 1, 809 | 1, 1289 |
| Number of properties | 7 | 7 |
| Additive primes | 74th | |
| Chen primes | 95th | 136th |
| Good primes | 39th | |
| Primes | 140th | 209th |
| Pythagorean primes | 68th | 103rd |
| Sexy primes (2nd member) | 90th | |
| Sexy prime triplets (3rd member) | 34th | |
| Sophie germain primes | 35th | 45th |
| Twin primes (1st member) | 31st | 44th |
| Roman numberals | DCCCIX | MCCLXXXIX |
| Base 2 | 11001010012 | 101000010012 |
| Base 3 | 10022223 | 12022023 |
| Base 4 | 302214 | 1100214 |
| Base 5 | 112145 | 201245 |
| Base 6 | 34256 | 55456 |
| Base 7 | 22347 | 35217 |
| Base 8 | 14518 | 24118 |
| Base 9 | 10889 | 16829 |
| Base 10 | 80910 | 128910 |
| Base 11 | 67611 | a7211 |
| Base 12 | 57512 | 8b512 |
| Base 13 | 4a313 | 78213 |
| Base 14 | 41b14 | 68114 |
| Base 15 | 38e15 | 5ae15 |
| Base 16 | 32916 | 50916 |