Compare 811 vs 919
| Property | 811 | 919 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 8111 | 9191 |
| Prime factorization | 811 | 919 |
| Divisors count | 2 | 2 |
| Divisors | 1, 811 | 1, 919 |
| Number of properties | 4 | 7 |
| Additive primes | 84th | |
| Chen primes | 96th | 107th |
| Cuban primes 1 | 11th | |
| Isolated primes | 88th | |
| Long primes | 49th | |
| Palindromic primes | 19th | |
| Primes | 141st | 157th |
| Super primes | 37th | |
| Twin primes (2nd member) | 31st | |
| Roman numberals | DCCCXI | CMXIX |
| Base 2 | 11001010112 | 11100101112 |
| Base 3 | 10100013 | 10210013 |
| Base 4 | 302234 | 321134 |
| Base 5 | 112215 | 121345 |
| Base 6 | 34316 | 41316 |
| Base 7 | 22367 | 24527 |
| Base 8 | 14538 | 16278 |
| Base 9 | 11019 | 12319 |
| Base 10 | 81110 | 91910 |
| Base 11 | 67811 | 76611 |
| Base 12 | 57712 | 64712 |
| Base 13 | 4a513 | 55913 |
| Base 14 | 41d14 | 49914 |
| Base 15 | 39115 | 41415 |
| Base 16 | 32b16 | 39716 |