Compare 156 vs 161
| Property | 156 | 161 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 22 × 31 × 131 | 71 × 231 |
| Prime factorization | 2 × 2 × 3 × 13 | 7 × 23 |
| Divisors count | 12 | 4 |
| Divisors | 1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156 | 1, 7, 23, 161 |
| Number of properties | 0 | 1 |
| Semiprimes | 54th | |
| Roman numberals | CLVI | CLXI |
| Base 2 | 100111002 | 101000012 |
| Base 3 | 122103 | 122223 |
| Base 4 | 21304 | 22014 |
| Base 5 | 11115 | 11215 |
| Base 6 | 4206 | 4256 |
| Base 7 | 3127 | 3207 |
| Base 8 | 2348 | 2418 |
| Base 9 | 1839 | 1889 |
| Base 10 | 15610 | 16110 |
| Base 11 | 13211 | 13711 |
| Base 12 | 11012 | 11512 |
| Base 13 | c013 | c513 |
| Base 14 | b214 | b714 |
| Base 15 | a615 | ab15 |
| Base 16 | 9c16 | a116 |