Compare 805 vs 815
| Property | 805 | 815 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 51 × 71 × 231 | 51 × 1631 |
| Prime factorization | 5 × 7 × 23 | 5 × 163 |
| Divisors count | 8 | 4 |
| Divisors | 1, 5, 7, 23, 35, 115, 161, 805 | 1, 5, 163, 815 |
| Number of properties | 0 | 1 |
| Semiprimes | 247th | |
| Roman numberals | DCCCV | DCCCXV |
| Base 2 | 11001001012 | 11001011112 |
| Base 3 | 10022113 | 10100123 |
| Base 4 | 302114 | 302334 |
| Base 5 | 112105 | 112305 |
| Base 6 | 34216 | 34356 |
| Base 7 | 22307 | 22437 |
| Base 8 | 14458 | 14578 |
| Base 9 | 10849 | 11059 |
| Base 10 | 80510 | 81510 |
| Base 11 | 67211 | 68111 |
| Base 12 | 57112 | 57b12 |
| Base 13 | 49c13 | 4a913 |
| Base 14 | 41714 | 42314 |
| Base 15 | 38a15 | 39515 |
| Base 16 | 32516 | 32f16 |