Compare 155 vs 169
| Property | 155 | 169 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 2 |
| Prime factorization | 51 × 311 | 132 |
| Prime factorization | 5 × 31 | 13 × 13 |
| Divisors count | 4 | 3 |
| Divisors | 1, 5, 31, 155 | 1, 13, 169 |
| Number of properties | 1 | 1 |
| Semiprimes | 51st | 56th |
| Roman numberals | CLV | CLXIX |
| Base 2 | 100110112 | 101010012 |
| Base 3 | 122023 | 200213 |
| Base 4 | 21234 | 22214 |
| Base 5 | 11105 | 11345 |
| Base 6 | 4156 | 4416 |
| Base 7 | 3117 | 3317 |
| Base 8 | 2338 | 2518 |
| Base 9 | 1829 | 2079 |
| Base 10 | 15510 | 16910 |
| Base 11 | 13111 | 14411 |
| Base 12 | 10b12 | 12112 |
| Base 13 | bc13 | 10013 |
| Base 14 | b114 | c114 |
| Base 15 | a515 | b415 |
| Base 16 | 9b16 | a916 |