Compare 187 vs 217
| Property | 187 | 217 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 111 × 171 | 71 × 311 |
| Prime factorization | 11 × 17 | 7 × 31 |
| Divisors count | 4 | 4 |
| Divisors | 1, 11, 17, 187 | 1, 7, 31, 217 |
| Number of properties | 1 | 1 |
| Semiprimes | 61st | 72nd |
| Roman numberals | CLXXXVII | CCXVII |
| Base 2 | 101110112 | 110110012 |
| Base 3 | 202213 | 220013 |
| Base 4 | 23234 | 31214 |
| Base 5 | 12225 | 13325 |
| Base 6 | 5116 | 10016 |
| Base 7 | 3557 | 4307 |
| Base 8 | 2738 | 3318 |
| Base 9 | 2279 | 2619 |
| Base 10 | 18710 | 21710 |
| Base 11 | 16011 | 18811 |
| Base 12 | 13712 | 16112 |
| Base 13 | 11513 | 13913 |
| Base 14 | d514 | 11714 |
| Base 15 | c715 | e715 |
| Base 16 | bb16 | d916 |