Compare 217 vs 249
| Property | 217 | 249 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 71 × 311 | 31 × 831 |
| Prime factorization | 7 × 31 | 3 × 83 |
| Divisors count | 4 | 4 |
| Divisors | 1, 7, 31, 217 | 1, 3, 83, 249 |
| Number of properties | 1 | 1 |
| Semiprimes | 72nd | 80th |
| Roman numberals | CCXVII | CCXLIX |
| Base 2 | 110110012 | 111110012 |
| Base 3 | 220013 | 1000203 |
| Base 4 | 31214 | 33214 |
| Base 5 | 13325 | 14445 |
| Base 6 | 10016 | 10536 |
| Base 7 | 4307 | 5047 |
| Base 8 | 3318 | 3718 |
| Base 9 | 2619 | 3069 |
| Base 10 | 21710 | 24910 |
| Base 11 | 18811 | 20711 |
| Base 12 | 16112 | 18912 |
| Base 13 | 13913 | 16213 |
| Base 14 | 11714 | 13b14 |
| Base 15 | e715 | 11915 |
| Base 16 | d916 | f916 |