Compare 187 vs 189
| Property | 187 | 189 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 2 |
| Total factors | 2 | 4 |
| Prime factorization | 111 × 171 | 33 × 71 |
| Prime factorization | 11 × 17 | 3 × 3 × 3 × 7 |
| Divisors count | 4 | 8 |
| Divisors | 1, 11, 17, 187 | 1, 3, 7, 9, 21, 27, 63, 189 |
| Number of properties | 1 | 0 |
| Semiprimes | 61st | |
| Roman numberals | CLXXXVII | CLXXXIX |
| Base 2 | 101110112 | 101111012 |
| Base 3 | 202213 | 210003 |
| Base 4 | 23234 | 23314 |
| Base 5 | 12225 | 12245 |
| Base 6 | 5116 | 5136 |
| Base 7 | 3557 | 3607 |
| Base 8 | 2738 | 2758 |
| Base 9 | 2279 | 2309 |
| Base 10 | 18710 | 18910 |
| Base 11 | 16011 | 16211 |
| Base 12 | 13712 | 13912 |
| Base 13 | 11513 | 11713 |
| Base 14 | d514 | d714 |
| Base 15 | c715 | c915 |
| Base 16 | bb16 | bd16 |