Compare 164 vs 166
| Property | 164 | 166 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 22 × 411 | 21 × 831 |
| Prime factorization | 2 × 2 × 41 | 2 × 83 |
| Divisors count | 6 | 4 |
| Divisors | 1, 2, 4, 41, 82, 164 | 1, 2, 83, 166 |
| Number of properties | 0 | 1 |
| Semiprimes | 55th | |
| Roman numberals | CLXIV | CLXVI |
| Base 2 | 101001002 | 101001102 |
| Base 3 | 200023 | 200113 |
| Base 4 | 22104 | 22124 |
| Base 5 | 11245 | 11315 |
| Base 6 | 4326 | 4346 |
| Base 7 | 3237 | 3257 |
| Base 8 | 2448 | 2468 |
| Base 9 | 2029 | 2049 |
| Base 10 | 16410 | 16610 |
| Base 11 | 13a11 | 14111 |
| Base 12 | 11812 | 11a12 |
| Base 13 | c813 | ca13 |
| Base 14 | ba14 | bc14 |
| Base 15 | ae15 | b115 |
| Base 16 | a416 | a616 |