Compare 161 vs 168
| Property | 161 | 168 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 5 |
| Prime factorization | 71 × 231 | 23 × 31 × 71 |
| Prime factorization | 7 × 23 | 2 × 2 × 2 × 3 × 7 |
| Divisors count | 4 | 16 |
| Divisors | 1, 7, 23, 161 | 1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168 |
| Number of properties | 1 | 0 |
| Semiprimes | 54th | |
| Roman numberals | CLXI | CLXVIII |
| Base 2 | 101000012 | 101010002 |
| Base 3 | 122223 | 200203 |
| Base 4 | 22014 | 22204 |
| Base 5 | 11215 | 11335 |
| Base 6 | 4256 | 4406 |
| Base 7 | 3207 | 3307 |
| Base 8 | 2418 | 2508 |
| Base 9 | 1889 | 2069 |
| Base 10 | 16110 | 16810 |
| Base 11 | 13711 | 14311 |
| Base 12 | 11512 | 12012 |
| Base 13 | c513 | cc13 |
| Base 14 | b714 | c014 |
| Base 15 | ab15 | b315 |
| Base 16 | a116 | a816 |