Compare 209 vs 212
| Property | 209 | 212 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 2 |
| Total factors | 2 | 3 |
| Prime factorization | 111 × 191 | 22 × 531 |
| Prime factorization | 11 × 19 | 2 × 2 × 53 |
| Divisors count | 4 | 6 |
| Divisors | 1, 11, 19, 209 | 1, 2, 4, 53, 106, 212 |
| Number of properties | 1 | 0 |
| Semiprimes | 68th | |
| Roman numberals | CCIX | CCXII |
| Base 2 | 110100012 | 110101002 |
| Base 3 | 212023 | 212123 |
| Base 4 | 31014 | 31104 |
| Base 5 | 13145 | 13225 |
| Base 6 | 5456 | 5526 |
| Base 7 | 4167 | 4227 |
| Base 8 | 3218 | 3248 |
| Base 9 | 2529 | 2559 |
| Base 10 | 20910 | 21210 |
| Base 11 | 18011 | 18311 |
| Base 12 | 15512 | 15812 |
| Base 13 | 13113 | 13413 |
| Base 14 | 10d14 | 11214 |
| Base 15 | de15 | e215 |
| Base 16 | d116 | d416 |