Compare 198 vs 209
| Property | 198 | 209 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 21 × 32 × 111 | 111 × 191 |
| Prime factorization | 2 × 3 × 3 × 11 | 11 × 19 |
| Divisors count | 12 | 4 |
| Divisors | 1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198 | 1, 11, 19, 209 |
| Number of properties | 0 | 1 |
| Semiprimes | 68th | |
| Roman numberals | CXCVIII | CCIX |
| Base 2 | 110001102 | 110100012 |
| Base 3 | 211003 | 212023 |
| Base 4 | 30124 | 31014 |
| Base 5 | 12435 | 13145 |
| Base 6 | 5306 | 5456 |
| Base 7 | 4027 | 4167 |
| Base 8 | 3068 | 3218 |
| Base 9 | 2409 | 2529 |
| Base 10 | 19810 | 20910 |
| Base 11 | 17011 | 18011 |
| Base 12 | 14612 | 15512 |
| Base 13 | 12313 | 13113 |
| Base 14 | 10214 | 10d14 |
| Base 15 | d315 | de15 |
| Base 16 | c616 | d116 |