Compare 166 vs 168
| Property | 166 | 168 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 5 |
| Prime factorization | 21 × 831 | 23 × 31 × 71 |
| Prime factorization | 2 × 83 | 2 × 2 × 2 × 3 × 7 |
| Divisors count | 4 | 16 |
| Divisors | 1, 2, 83, 166 | 1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168 |
| Number of properties | 1 | 0 |
| Semiprimes | 55th | |
| Roman numberals | CLXVI | CLXVIII |
| Base 2 | 101001102 | 101010002 |
| Base 3 | 200113 | 200203 |
| Base 4 | 22124 | 22204 |
| Base 5 | 11315 | 11335 |
| Base 6 | 4346 | 4406 |
| Base 7 | 3257 | 3307 |
| Base 8 | 2468 | 2508 |
| Base 9 | 2049 | 2069 |
| Base 10 | 16610 | 16810 |
| Base 11 | 14111 | 14311 |
| Base 12 | 11a12 | 12012 |
| Base 13 | ca13 | cc13 |
| Base 14 | bc14 | c014 |
| Base 15 | b115 | b315 |
| Base 16 | a616 | a816 |