Compare 812 vs 813
| Property | 812 | 813 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 22 × 71 × 291 | 31 × 2711 |
| Prime factorization | 2 × 2 × 7 × 29 | 3 × 271 |
| Divisors count | 12 | 4 |
| Divisors | 1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812 | 1, 3, 271, 813 |
| Number of properties | 0 | 1 |
| Semiprimes | 246th | |
| Roman numberals | DCCCXII | DCCCXIII |
| Base 2 | 11001011002 | 11001011012 |
| Base 3 | 10100023 | 10100103 |
| Base 4 | 302304 | 302314 |
| Base 5 | 112225 | 112235 |
| Base 6 | 34326 | 34336 |
| Base 7 | 22407 | 22417 |
| Base 8 | 14548 | 14558 |
| Base 9 | 11029 | 11039 |
| Base 10 | 81210 | 81310 |
| Base 11 | 67911 | 67a11 |
| Base 12 | 57812 | 57912 |
| Base 13 | 4a613 | 4a713 |
| Base 14 | 42014 | 42114 |
| Base 15 | 39215 | 39315 |
| Base 16 | 32c16 | 32d16 |