Compare 809 vs 1019
| Property | 809 | 1019 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 8091 | 10191 |
| Prime factorization | 809 | 1019 |
| Divisors count | 2 | 2 |
| Divisors | 1, 809 | 1, 1019 |
| Number of properties | 7 | 9 |
| Additive primes | 74th | 91st |
| Chen primes | 95th | 117th |
| Good primes | 39th | |
| Long primes | 61st | |
| Primes | 140th | 171st |
| Pythagorean primes | 68th | |
| Safe primes | 26th | |
| Sexy primes (2nd member) | 75th | |
| Solinas primes | 45th | |
| Sophie germain primes | 35th | 39th |
| Twin primes (1st member) | 31st | 36th |
| Roman numberals | DCCCIX | MXIX |
| Base 2 | 11001010012 | 11111110112 |
| Base 3 | 10022223 | 11012023 |
| Base 4 | 302214 | 333234 |
| Base 5 | 112145 | 130345 |
| Base 6 | 34256 | 44156 |
| Base 7 | 22347 | 26547 |
| Base 8 | 14518 | 17738 |
| Base 9 | 10889 | 13529 |
| Base 10 | 80910 | 101910 |
| Base 11 | 67611 | 84711 |
| Base 12 | 57512 | 70b12 |
| Base 13 | 4a313 | 60513 |
| Base 14 | 41b14 | 52b14 |
| Base 15 | 38e15 | 47e15 |
| Base 16 | 32916 | 3fb16 |