Compare 159 vs 166
| Property | 159 | 166 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 31 × 531 | 21 × 831 |
| Prime factorization | 3 × 53 | 2 × 83 |
| Divisors count | 4 | 4 |
| Divisors | 1, 3, 53, 159 | 1, 2, 83, 166 |
| Number of properties | 1 | 1 |
| Semiprimes | 53rd | 55th |
| Roman numberals | CLIX | CLXVI |
| Base 2 | 100111112 | 101001102 |
| Base 3 | 122203 | 200113 |
| Base 4 | 21334 | 22124 |
| Base 5 | 11145 | 11315 |
| Base 6 | 4236 | 4346 |
| Base 7 | 3157 | 3257 |
| Base 8 | 2378 | 2468 |
| Base 9 | 1869 | 2049 |
| Base 10 | 15910 | 16610 |
| Base 11 | 13511 | 14111 |
| Base 12 | 11312 | 11a12 |
| Base 13 | c313 | ca13 |
| Base 14 | b514 | bc14 |
| Base 15 | a915 | b115 |
| Base 16 | 9f16 | a616 |