Compare 812 vs 815
| Property | 812 | 815 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 22 × 71 × 291 | 51 × 1631 |
| Prime factorization | 2 × 2 × 7 × 29 | 5 × 163 |
| Divisors count | 12 | 4 |
| Divisors | 1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812 | 1, 5, 163, 815 |
| Number of properties | 0 | 1 |
| Semiprimes | 247th | |
| Roman numberals | DCCCXII | DCCCXV |
| Base 2 | 11001011002 | 11001011112 |
| Base 3 | 10100023 | 10100123 |
| Base 4 | 302304 | 302334 |
| Base 5 | 112225 | 112305 |
| Base 6 | 34326 | 34356 |
| Base 7 | 22407 | 22437 |
| Base 8 | 14548 | 14578 |
| Base 9 | 11029 | 11059 |
| Base 10 | 81210 | 81510 |
| Base 11 | 67911 | 68111 |
| Base 12 | 57812 | 57b12 |
| Base 13 | 4a613 | 4a913 |
| Base 14 | 42014 | 42314 |
| Base 15 | 39215 | 39515 |
| Base 16 | 32c16 | 32f16 |