Compare 166 vs 201
| Property | 166 | 201 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 21 × 831 | 31 × 671 |
| Prime factorization | 2 × 83 | 3 × 67 |
| Divisors count | 4 | 4 |
| Divisors | 1, 2, 83, 166 | 1, 3, 67, 201 |
| Number of properties | 1 | 1 |
| Semiprimes | 55th | 63rd |
| Roman numberals | CLXVI | CCI |
| Base 2 | 101001102 | 110010012 |
| Base 3 | 200113 | 211103 |
| Base 4 | 22124 | 30214 |
| Base 5 | 11315 | 13015 |
| Base 6 | 4346 | 5336 |
| Base 7 | 3257 | 4057 |
| Base 8 | 2468 | 3118 |
| Base 9 | 2049 | 2439 |
| Base 10 | 16610 | 20110 |
| Base 11 | 14111 | 17311 |
| Base 12 | 11a12 | 14912 |
| Base 13 | ca13 | 12613 |
| Base 14 | bc14 | 10514 |
| Base 15 | b115 | d615 |
| Base 16 | a616 | c916 |