Compare 156 vs 166
| Property | 156 | 166 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 22 × 31 × 131 | 21 × 831 |
| Prime factorization | 2 × 2 × 3 × 13 | 2 × 83 |
| Divisors count | 12 | 4 |
| Divisors | 1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156 | 1, 2, 83, 166 |
| Number of properties | 0 | 1 |
| Semiprimes | 55th | |
| Roman numberals | CLVI | CLXVI |
| Base 2 | 100111002 | 101001102 |
| Base 3 | 122103 | 200113 |
| Base 4 | 21304 | 22124 |
| Base 5 | 11115 | 11315 |
| Base 6 | 4206 | 4346 |
| Base 7 | 3127 | 3257 |
| Base 8 | 2348 | 2468 |
| Base 9 | 1839 | 2049 |
| Base 10 | 15610 | 16610 |
| Base 11 | 13211 | 14111 |
| Base 12 | 11012 | 11a12 |
| Base 13 | c013 | ca13 |
| Base 14 | b214 | bc14 |
| Base 15 | a615 | b115 |
| Base 16 | 9c16 | a616 |