Compare 809 vs 887
| Property | 809 | 887 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 8091 | 8871 |
| Prime factorization | 809 | 887 |
| Divisors count | 2 | 2 |
| Divisors | 1, 809 | 1, 887 |
| Number of properties | 7 | 9 |
| Additive primes | 74th | 82nd |
| Chen primes | 95th | 105th |
| Cousin primes (2nd member) | 38th | |
| Good primes | 39th | |
| Isolated primes | 85th | |
| Long primes | 54th | |
| Primes | 140th | 154th |
| Prime triplets (3rd member) | 30th | |
| Pythagorean primes | 68th | |
| Safe primes | 24th | |
| Sexy primes (2nd member) | 69th | |
| Sophie germain primes | 35th | |
| Twin primes (1st member) | 31st | |
| Roman numberals | DCCCIX | DCCCLXXXVII |
| Base 2 | 11001010012 | 11011101112 |
| Base 3 | 10022223 | 10122123 |
| Base 4 | 302214 | 313134 |
| Base 5 | 112145 | 120225 |
| Base 6 | 34256 | 40356 |
| Base 7 | 22347 | 24057 |
| Base 8 | 14518 | 15678 |
| Base 9 | 10889 | 11859 |
| Base 10 | 80910 | 88710 |
| Base 11 | 67611 | 73711 |
| Base 12 | 57512 | 61b12 |
| Base 13 | 4a313 | 53313 |
| Base 14 | 41b14 | 47514 |
| Base 15 | 38e15 | 3e215 |
| Base 16 | 32916 | 37716 |