Compare 215 vs 216
| Property | 215 | 216 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 2 |
| Total factors | 2 | 6 |
| Prime factorization | 51 × 431 | 23 × 33 |
| Prime factorization | 5 × 43 | 2 × 2 × 2 × 3 × 3 × 3 |
| Divisors count | 4 | 16 |
| Divisors | 1, 5, 43, 215 | 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216 |
| Number of properties | 1 | 0 |
| Semiprimes | 71st | |
| Roman numberals | CCXV | CCXVI |
| Base 2 | 110101112 | 110110002 |
| Base 3 | 212223 | 220003 |
| Base 4 | 31134 | 31204 |
| Base 5 | 13305 | 13315 |
| Base 6 | 5556 | 10006 |
| Base 7 | 4257 | 4267 |
| Base 8 | 3278 | 3308 |
| Base 9 | 2589 | 2609 |
| Base 10 | 21510 | 21610 |
| Base 11 | 18611 | 18711 |
| Base 12 | 15b12 | 16012 |
| Base 13 | 13713 | 13813 |
| Base 14 | 11514 | 11614 |
| Base 15 | e515 | e615 |
| Base 16 | d716 | d816 |