Compare 807 vs 811
| Property | 807 | 811 | 
|---|---|---|
| Type | semiprime | prime | 
| Unique factors | 2 | 1 | 
| Total factors | 2 | 1 | 
| Prime factorization | 31 × 2691 | 8111 | 
| Prime factorization | 3 × 269 | 811 | 
| Divisors count | 4 | 2 | 
| Divisors | 1, 3, 269, 807 | 1, 811 | 
| Number of properties | 1 | 4 | 
| Chen primes | 96th | |
| Long primes | 49th | |
| Primes | 141st | |
| Semiprimes | 245th | |
| Twin primes (2nd member) | 31st | |
| Roman numberals | DCCCVII | DCCCXI | 
| Base 2 | 11001001112 | 11001010112 | 
| Base 3 | 10022203 | 10100013 | 
| Base 4 | 302134 | 302234 | 
| Base 5 | 112125 | 112215 | 
| Base 6 | 34236 | 34316 | 
| Base 7 | 22327 | 22367 | 
| Base 8 | 14478 | 14538 | 
| Base 9 | 10869 | 11019 | 
| Base 10 | 80710 | 81110 | 
| Base 11 | 67411 | 67811 | 
| Base 12 | 57312 | 57712 | 
| Base 13 | 4a113 | 4a513 | 
| Base 14 | 41914 | 41d14 | 
| Base 15 | 38c15 | 39115 | 
| Base 16 | 32716 | 32b16 |