Compare 166 vs 171
| Property | 166 | 171 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 2 |
| Total factors | 2 | 3 |
| Prime factorization | 21 × 831 | 32 × 191 |
| Prime factorization | 2 × 83 | 3 × 3 × 19 |
| Divisors count | 4 | 6 |
| Divisors | 1, 2, 83, 166 | 1, 3, 9, 19, 57, 171 |
| Number of properties | 1 | 0 |
| Semiprimes | 55th | |
| Roman numberals | CLXVI | CLXXI |
| Base 2 | 101001102 | 101010112 |
| Base 3 | 200113 | 201003 |
| Base 4 | 22124 | 22234 |
| Base 5 | 11315 | 11415 |
| Base 6 | 4346 | 4436 |
| Base 7 | 3257 | 3337 |
| Base 8 | 2468 | 2538 |
| Base 9 | 2049 | 2109 |
| Base 10 | 16610 | 17110 |
| Base 11 | 14111 | 14611 |
| Base 12 | 11a12 | 12312 |
| Base 13 | ca13 | 10213 |
| Base 14 | bc14 | c314 |
| Base 15 | b115 | b615 |
| Base 16 | a616 | ab16 |