Compare 805 vs 811
| Property | 805 | 811 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 51 × 71 × 231 | 8111 |
| Prime factorization | 5 × 7 × 23 | 811 |
| Divisors count | 8 | 2 |
| Divisors | 1, 5, 7, 23, 35, 115, 161, 805 | 1, 811 |
| Number of properties | 0 | 4 |
| Chen primes | 96th | |
| Long primes | 49th | |
| Primes | 141st | |
| Twin primes (2nd member) | 31st | |
| Roman numberals | DCCCV | DCCCXI |
| Base 2 | 11001001012 | 11001010112 |
| Base 3 | 10022113 | 10100013 |
| Base 4 | 302114 | 302234 |
| Base 5 | 112105 | 112215 |
| Base 6 | 34216 | 34316 |
| Base 7 | 22307 | 22367 |
| Base 8 | 14458 | 14538 |
| Base 9 | 10849 | 11019 |
| Base 10 | 80510 | 81110 |
| Base 11 | 67211 | 67811 |
| Base 12 | 57112 | 57712 |
| Base 13 | 49c13 | 4a513 |
| Base 14 | 41714 | 41d14 |
| Base 15 | 38a15 | 39115 |
| Base 16 | 32516 | 32b16 |