Compare 815 vs 822
| Property | 815 | 822 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 51 × 1631 | 21 × 31 × 1371 |
| Prime factorization | 5 × 163 | 2 × 3 × 137 |
| Divisors count | 4 | 8 |
| Divisors | 1, 5, 163, 815 | 1, 2, 3, 6, 137, 274, 411, 822 |
| Number of properties | 1 | 0 |
| Semiprimes | 247th | |
| Roman numberals | DCCCXV | DCCCXXII |
| Base 2 | 11001011112 | 11001101102 |
| Base 3 | 10100123 | 10101103 |
| Base 4 | 302334 | 303124 |
| Base 5 | 112305 | 112425 |
| Base 6 | 34356 | 34506 |
| Base 7 | 22437 | 22537 |
| Base 8 | 14578 | 14668 |
| Base 9 | 11059 | 11139 |
| Base 10 | 81510 | 82210 |
| Base 11 | 68111 | 68811 |
| Base 12 | 57b12 | 58612 |
| Base 13 | 4a913 | 4b313 |
| Base 14 | 42314 | 42a14 |
| Base 15 | 39515 | 39c15 |
| Base 16 | 32f16 | 33616 |