Compare 166 vs 178
| Property | 166 | 178 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 21 × 831 | 21 × 891 |
| Prime factorization | 2 × 83 | 2 × 89 |
| Divisors count | 4 | 4 |
| Divisors | 1, 2, 83, 166 | 1, 2, 89, 178 |
| Number of properties | 1 | 1 |
| Semiprimes | 55th | 58th |
| Roman numberals | CLXVI | CLXXVIII |
| Base 2 | 101001102 | 101100102 |
| Base 3 | 200113 | 201213 |
| Base 4 | 22124 | 23024 |
| Base 5 | 11315 | 12035 |
| Base 6 | 4346 | 4546 |
| Base 7 | 3257 | 3437 |
| Base 8 | 2468 | 2628 |
| Base 9 | 2049 | 2179 |
| Base 10 | 16610 | 17810 |
| Base 11 | 14111 | 15211 |
| Base 12 | 11a12 | 12a12 |
| Base 13 | ca13 | 10913 |
| Base 14 | bc14 | ca14 |
| Base 15 | b115 | bd15 |
| Base 16 | a616 | b216 |