Compare 815 vs 816
| Property | 815 | 816 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 6 |
| Prime factorization | 51 × 1631 | 24 × 31 × 171 |
| Prime factorization | 5 × 163 | 2 × 2 × 2 × 2 × 3 × 17 |
| Divisors count | 4 | 20 |
| Divisors | 1, 5, 163, 815 | 1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816 |
| Number of properties | 1 | 0 |
| Semiprimes | 247th | |
| Roman numberals | DCCCXV | DCCCXVI |
| Base 2 | 11001011112 | 11001100002 |
| Base 3 | 10100123 | 10100203 |
| Base 4 | 302334 | 303004 |
| Base 5 | 112305 | 112315 |
| Base 6 | 34356 | 34406 |
| Base 7 | 22437 | 22447 |
| Base 8 | 14578 | 14608 |
| Base 9 | 11059 | 11069 |
| Base 10 | 81510 | 81610 |
| Base 11 | 68111 | 68211 |
| Base 12 | 57b12 | 58012 |
| Base 13 | 4a913 | 4aa13 |
| Base 14 | 42314 | 42414 |
| Base 15 | 39515 | 39615 |
| Base 16 | 32f16 | 33016 |