Compare 155 vs 156
| Property | 155 | 156 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 4 |
| Prime factorization | 51 × 311 | 22 × 31 × 131 |
| Prime factorization | 5 × 31 | 2 × 2 × 3 × 13 |
| Divisors count | 4 | 12 |
| Divisors | 1, 5, 31, 155 | 1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156 |
| Number of properties | 1 | 0 |
| Semiprimes | 51st | |
| Roman numberals | CLV | CLVI |
| Base 2 | 100110112 | 100111002 |
| Base 3 | 122023 | 122103 |
| Base 4 | 21234 | 21304 |
| Base 5 | 11105 | 11115 |
| Base 6 | 4156 | 4206 |
| Base 7 | 3117 | 3127 |
| Base 8 | 2338 | 2348 |
| Base 9 | 1829 | 1839 |
| Base 10 | 15510 | 15610 |
| Base 11 | 13111 | 13211 |
| Base 12 | 10b12 | 11012 |
| Base 13 | bc13 | c013 |
| Base 14 | b114 | b214 |
| Base 15 | a515 | a615 |
| Base 16 | 9b16 | 9c16 |