Compare 419 vs 809
| Property | 419 | 809 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 4191 | 8091 |
| Prime factorization | 419 | 809 |
| Divisors count | 2 | 2 |
| Divisors | 1, 419 | 1, 809 |
| Number of properties | 6 | 7 |
| Additive primes | 74th | |
| Chen primes | 58th | 95th |
| Good primes | 26th | 39th |
| Long primes | 30th | |
| Primes | 81st | 140th |
| Pythagorean primes | 68th | |
| Sophie germain primes | 22nd | 35th |
| Twin primes (1st member) | 22nd | 31st |
| Roman numberals | CDXIX | DCCCIX |
| Base 2 | 1101000112 | 11001010012 |
| Base 3 | 1201123 | 10022223 |
| Base 4 | 122034 | 302214 |
| Base 5 | 31345 | 112145 |
| Base 6 | 15356 | 34256 |
| Base 7 | 11367 | 22347 |
| Base 8 | 6438 | 14518 |
| Base 9 | 5159 | 10889 |
| Base 10 | 41910 | 80910 |
| Base 11 | 35111 | 67611 |
| Base 12 | 2ab12 | 57512 |
| Base 13 | 26313 | 4a313 |
| Base 14 | 21d14 | 41b14 |
| Base 15 | 1ce15 | 38e15 |
| Base 16 | 1a316 | 32916 |