Compare 207 vs 215
| Property | 207 | 215 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 32 × 231 | 51 × 431 |
| Prime factorization | 3 × 3 × 23 | 5 × 43 |
| Divisors count | 6 | 4 |
| Divisors | 1, 3, 9, 23, 69, 207 | 1, 5, 43, 215 |
| Number of properties | 0 | 1 |
| Semiprimes | 71st | |
| Roman numberals | CCVII | CCXV |
| Base 2 | 110011112 | 110101112 |
| Base 3 | 212003 | 212223 |
| Base 4 | 30334 | 31134 |
| Base 5 | 13125 | 13305 |
| Base 6 | 5436 | 5556 |
| Base 7 | 4147 | 4257 |
| Base 8 | 3178 | 3278 |
| Base 9 | 2509 | 2589 |
| Base 10 | 20710 | 21510 |
| Base 11 | 17911 | 18611 |
| Base 12 | 15312 | 15b12 |
| Base 13 | 12c13 | 13713 |
| Base 14 | 10b14 | 11514 |
| Base 15 | dc15 | e515 |
| Base 16 | cf16 | d716 |