Compare 153 vs 155
| Property | 153 | 155 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 32 × 171 | 51 × 311 |
| Prime factorization | 3 × 3 × 17 | 5 × 31 |
| Divisors count | 6 | 4 |
| Divisors | 1, 3, 9, 17, 51, 153 | 1, 5, 31, 155 |
| Number of properties | 0 | 1 |
| Semiprimes | 51st | |
| Roman numberals | CLIII | CLV |
| Base 2 | 100110012 | 100110112 |
| Base 3 | 122003 | 122023 |
| Base 4 | 21214 | 21234 |
| Base 5 | 11035 | 11105 |
| Base 6 | 4136 | 4156 |
| Base 7 | 3067 | 3117 |
| Base 8 | 2318 | 2338 |
| Base 9 | 1809 | 1829 |
| Base 10 | 15310 | 15510 |
| Base 11 | 12a11 | 13111 |
| Base 12 | 10912 | 10b12 |
| Base 13 | ba13 | bc13 |
| Base 14 | ad14 | b114 |
| Base 15 | a315 | a515 |
| Base 16 | 9916 | 9b16 |