Compare 207 vs 209
| Property | 207 | 209 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 32 × 231 | 111 × 191 |
| Prime factorization | 3 × 3 × 23 | 11 × 19 |
| Divisors count | 6 | 4 |
| Divisors | 1, 3, 9, 23, 69, 207 | 1, 11, 19, 209 |
| Number of properties | 0 | 1 |
| Semiprimes | 68th | |
| Roman numberals | CCVII | CCIX |
| Base 2 | 110011112 | 110100012 |
| Base 3 | 212003 | 212023 |
| Base 4 | 30334 | 31014 |
| Base 5 | 13125 | 13145 |
| Base 6 | 5436 | 5456 |
| Base 7 | 4147 | 4167 |
| Base 8 | 3178 | 3218 |
| Base 9 | 2509 | 2529 |
| Base 10 | 20710 | 20910 |
| Base 11 | 17911 | 18011 |
| Base 12 | 15312 | 15512 |
| Base 13 | 12c13 | 13113 |
| Base 14 | 10b14 | 10d14 |
| Base 15 | dc15 | de15 |
| Base 16 | cf16 | d116 |