Compare 166 vs 183
| Property | 166 | 183 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 21 × 831 | 31 × 611 |
| Prime factorization | 2 × 83 | 3 × 61 |
| Divisors count | 4 | 4 |
| Divisors | 1, 2, 83, 166 | 1, 3, 61, 183 |
| Number of properties | 1 | 1 |
| Semiprimes | 55th | 59th |
| Roman numberals | CLXVI | CLXXXIII |
| Base 2 | 101001102 | 101101112 |
| Base 3 | 200113 | 202103 |
| Base 4 | 22124 | 23134 |
| Base 5 | 11315 | 12135 |
| Base 6 | 4346 | 5036 |
| Base 7 | 3257 | 3517 |
| Base 8 | 2468 | 2678 |
| Base 9 | 2049 | 2239 |
| Base 10 | 16610 | 18310 |
| Base 11 | 14111 | 15711 |
| Base 12 | 11a12 | 13312 |
| Base 13 | ca13 | 11113 |
| Base 14 | bc14 | d114 |
| Base 15 | b115 | c315 |
| Base 16 | a616 | b716 |