Compare 209 vs 220
| Property | 209 | 220 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 4 |
| Prime factorization | 111 × 191 | 22 × 51 × 111 |
| Prime factorization | 11 × 19 | 2 × 2 × 5 × 11 |
| Divisors count | 4 | 12 |
| Divisors | 1, 11, 19, 209 | 1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220 |
| Number of properties | 1 | 0 |
| Semiprimes | 68th | |
| Roman numberals | CCIX | CCXX |
| Base 2 | 110100012 | 110111002 |
| Base 3 | 212023 | 220113 |
| Base 4 | 31014 | 31304 |
| Base 5 | 13145 | 13405 |
| Base 6 | 5456 | 10046 |
| Base 7 | 4167 | 4337 |
| Base 8 | 3218 | 3348 |
| Base 9 | 2529 | 2649 |
| Base 10 | 20910 | 22010 |
| Base 11 | 18011 | 19011 |
| Base 12 | 15512 | 16412 |
| Base 13 | 13113 | 13c13 |
| Base 14 | 10d14 | 11a14 |
| Base 15 | de15 | ea15 |
| Base 16 | d116 | dc16 |