Compare 811 vs 887
| Property | 811 | 887 | 
|---|---|---|
| Type | prime | prime | 
| Unique factors | 1 | 1 | 
| Total factors | 1 | 1 | 
| Prime factorization | 8111 | 8871 | 
| Prime factorization | 811 | 887 | 
| Divisors count | 2 | 2 | 
| Divisors | 1, 811 | 1, 887 | 
| Number of properties | 4 | 9 | 
| Additive primes | 82nd | |
| Chen primes | 96th | 105th | 
| Cousin primes (2nd member) | 38th | |
| Isolated primes | 85th | |
| Long primes | 49th | 54th | 
| Primes | 141st | 154th | 
| Prime triplets (3rd member) | 30th | |
| Safe primes | 24th | |
| Sexy primes (2nd member) | 69th | |
| Twin primes (2nd member) | 31st | |
| Roman numberals | DCCCXI | DCCCLXXXVII | 
| Base 2 | 11001010112 | 11011101112 | 
| Base 3 | 10100013 | 10122123 | 
| Base 4 | 302234 | 313134 | 
| Base 5 | 112215 | 120225 | 
| Base 6 | 34316 | 40356 | 
| Base 7 | 22367 | 24057 | 
| Base 8 | 14538 | 15678 | 
| Base 9 | 11019 | 11859 | 
| Base 10 | 81110 | 88710 | 
| Base 11 | 67811 | 73711 | 
| Base 12 | 57712 | 61b12 | 
| Base 13 | 4a513 | 53313 | 
| Base 14 | 41d14 | 47514 | 
| Base 15 | 39115 | 3e215 | 
| Base 16 | 32b16 | 37716 |