Compare 161 vs 183
| Property | 161 | 183 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 71 × 231 | 31 × 611 |
| Prime factorization | 7 × 23 | 3 × 61 |
| Divisors count | 4 | 4 |
| Divisors | 1, 7, 23, 161 | 1, 3, 61, 183 |
| Number of properties | 1 | 1 |
| Semiprimes | 54th | 59th |
| Roman numberals | CLXI | CLXXXIII |
| Base 2 | 101000012 | 101101112 |
| Base 3 | 122223 | 202103 |
| Base 4 | 22014 | 23134 |
| Base 5 | 11215 | 12135 |
| Base 6 | 4256 | 5036 |
| Base 7 | 3207 | 3517 |
| Base 8 | 2418 | 2678 |
| Base 9 | 1889 | 2239 |
| Base 10 | 16110 | 18310 |
| Base 11 | 13711 | 15711 |
| Base 12 | 11512 | 13312 |
| Base 13 | c513 | 11113 |
| Base 14 | b714 | d114 |
| Base 15 | ab15 | c315 |
| Base 16 | a116 | b716 |