Compare 814 vs 815
| Property | 814 | 815 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 21 × 111 × 371 | 51 × 1631 |
| Prime factorization | 2 × 11 × 37 | 5 × 163 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 11, 22, 37, 74, 407, 814 | 1, 5, 163, 815 |
| Number of properties | 0 | 1 |
| Semiprimes | 247th | |
| Roman numberals | DCCCXIV | DCCCXV |
| Base 2 | 11001011102 | 11001011112 |
| Base 3 | 10100113 | 10100123 |
| Base 4 | 302324 | 302334 |
| Base 5 | 112245 | 112305 |
| Base 6 | 34346 | 34356 |
| Base 7 | 22427 | 22437 |
| Base 8 | 14568 | 14578 |
| Base 9 | 11049 | 11059 |
| Base 10 | 81410 | 81510 |
| Base 11 | 68011 | 68111 |
| Base 12 | 57a12 | 57b12 |
| Base 13 | 4a813 | 4a913 |
| Base 14 | 42214 | 42314 |
| Base 15 | 39415 | 39515 |
| Base 16 | 32e16 | 32f16 |