Compare 215 vs 222
| Property | 215 | 222 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 51 × 431 | 21 × 31 × 371 |
| Prime factorization | 5 × 43 | 2 × 3 × 37 |
| Divisors count | 4 | 8 |
| Divisors | 1, 5, 43, 215 | 1, 2, 3, 6, 37, 74, 111, 222 |
| Number of properties | 1 | 0 |
| Semiprimes | 71st | |
| Roman numberals | CCXV | CCXXII |
| Base 2 | 110101112 | 110111102 |
| Base 3 | 212223 | 220203 |
| Base 4 | 31134 | 31324 |
| Base 5 | 13305 | 13425 |
| Base 6 | 5556 | 10106 |
| Base 7 | 4257 | 4357 |
| Base 8 | 3278 | 3368 |
| Base 9 | 2589 | 2669 |
| Base 10 | 21510 | 22210 |
| Base 11 | 18611 | 19211 |
| Base 12 | 15b12 | 16612 |
| Base 13 | 13713 | 14113 |
| Base 14 | 11514 | 11c14 |
| Base 15 | e515 | ec15 |
| Base 16 | d716 | de16 |