Compare 161 vs 170
| Property | 161 | 170 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 71 × 231 | 21 × 51 × 171 |
| Prime factorization | 7 × 23 | 2 × 5 × 17 |
| Divisors count | 4 | 8 |
| Divisors | 1, 7, 23, 161 | 1, 2, 5, 10, 17, 34, 85, 170 |
| Number of properties | 1 | 0 |
| Semiprimes | 54th | |
| Roman numberals | CLXI | CLXX |
| Base 2 | 101000012 | 101010102 |
| Base 3 | 122223 | 200223 |
| Base 4 | 22014 | 22224 |
| Base 5 | 11215 | 11405 |
| Base 6 | 4256 | 4426 |
| Base 7 | 3207 | 3327 |
| Base 8 | 2418 | 2528 |
| Base 9 | 1889 | 2089 |
| Base 10 | 16110 | 17010 |
| Base 11 | 13711 | 14511 |
| Base 12 | 11512 | 12212 |
| Base 13 | c513 | 10113 |
| Base 14 | b714 | c214 |
| Base 15 | ab15 | b515 |
| Base 16 | a116 | aa16 |