Compare 803 vs 811
| Property | 803 | 811 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 111 × 731 | 8111 |
| Prime factorization | 11 × 73 | 811 |
| Divisors count | 4 | 2 |
| Divisors | 1, 11, 73, 803 | 1, 811 |
| Number of properties | 1 | 4 |
| Chen primes | 96th | |
| Long primes | 49th | |
| Primes | 141st | |
| Semiprimes | 244th | |
| Twin primes (2nd member) | 31st | |
| Roman numberals | DCCCIII | DCCCXI |
| Base 2 | 11001000112 | 11001010112 |
| Base 3 | 10022023 | 10100013 |
| Base 4 | 302034 | 302234 |
| Base 5 | 112035 | 112215 |
| Base 6 | 34156 | 34316 |
| Base 7 | 22257 | 22367 |
| Base 8 | 14438 | 14538 |
| Base 9 | 10829 | 11019 |
| Base 10 | 80310 | 81110 |
| Base 11 | 67011 | 67811 |
| Base 12 | 56b12 | 57712 |
| Base 13 | 49a13 | 4a513 |
| Base 14 | 41514 | 41d14 |
| Base 15 | 38815 | 39115 |
| Base 16 | 32316 | 32b16 |