Compare 215 vs 219
| Property | 215 | 219 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 51 × 431 | 31 × 731 |
| Prime factorization | 5 × 43 | 3 × 73 |
| Divisors count | 4 | 4 |
| Divisors | 1, 5, 43, 215 | 1, 3, 73, 219 |
| Number of properties | 1 | 1 |
| Semiprimes | 71st | 74th |
| Roman numberals | CCXV | CCXIX |
| Base 2 | 110101112 | 110110112 |
| Base 3 | 212223 | 220103 |
| Base 4 | 31134 | 31234 |
| Base 5 | 13305 | 13345 |
| Base 6 | 5556 | 10036 |
| Base 7 | 4257 | 4327 |
| Base 8 | 3278 | 3338 |
| Base 9 | 2589 | 2639 |
| Base 10 | 21510 | 21910 |
| Base 11 | 18611 | 18a11 |
| Base 12 | 15b12 | 16312 |
| Base 13 | 13713 | 13b13 |
| Base 14 | 11514 | 11914 |
| Base 15 | e515 | e915 |
| Base 16 | d716 | db16 |