Compare 161 vs 185
| Property | 161 | 185 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 71 × 231 | 51 × 371 |
| Prime factorization | 7 × 23 | 5 × 37 |
| Divisors count | 4 | 4 |
| Divisors | 1, 7, 23, 161 | 1, 5, 37, 185 |
| Number of properties | 1 | 1 |
| Semiprimes | 54th | 60th |
| Roman numberals | CLXI | CLXXXV |
| Base 2 | 101000012 | 101110012 |
| Base 3 | 122223 | 202123 |
| Base 4 | 22014 | 23214 |
| Base 5 | 11215 | 12205 |
| Base 6 | 4256 | 5056 |
| Base 7 | 3207 | 3537 |
| Base 8 | 2418 | 2718 |
| Base 9 | 1889 | 2259 |
| Base 10 | 16110 | 18510 |
| Base 11 | 13711 | 15911 |
| Base 12 | 11512 | 13512 |
| Base 13 | c513 | 11313 |
| Base 14 | b714 | d314 |
| Base 15 | ab15 | c515 |
| Base 16 | a116 | b916 |