Compare 813 vs 816
| Property | 813 | 816 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 6 |
| Prime factorization | 31 × 2711 | 24 × 31 × 171 |
| Prime factorization | 3 × 271 | 2 × 2 × 2 × 2 × 3 × 17 |
| Divisors count | 4 | 20 |
| Divisors | 1, 3, 271, 813 | 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 | 246th | |
| Roman numberals | DCCCXIII | DCCCXVI |
| Base 2 | 11001011012 | 11001100002 |
| Base 3 | 10100103 | 10100203 |
| Base 4 | 302314 | 303004 |
| Base 5 | 112235 | 112315 |
| Base 6 | 34336 | 34406 |
| Base 7 | 22417 | 22447 |
| Base 8 | 14558 | 14608 |
| Base 9 | 11039 | 11069 |
| Base 10 | 81310 | 81610 |
| Base 11 | 67a11 | 68211 |
| Base 12 | 57912 | 58012 |
| Base 13 | 4a713 | 4aa13 |
| Base 14 | 42114 | 42414 |
| Base 15 | 39315 | 39615 |
| Base 16 | 32d16 | 33016 |