Compare 147 vs 155
| Property | 147 | 155 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 31 × 72 | 51 × 311 |
| Prime factorization | 3 × 7 × 7 | 5 × 31 |
| Divisors count | 6 | 4 |
| Divisors | 1, 3, 7, 21, 49, 147 | 1, 5, 31, 155 |
| Number of properties | 0 | 1 |
| Semiprimes | 51st | |
| Roman numberals | CXLVII | CLV |
| Base 2 | 100100112 | 100110112 |
| Base 3 | 121103 | 122023 |
| Base 4 | 21034 | 21234 |
| Base 5 | 10425 | 11105 |
| Base 6 | 4036 | 4156 |
| Base 7 | 3007 | 3117 |
| Base 8 | 2238 | 2338 |
| Base 9 | 1739 | 1829 |
| Base 10 | 14710 | 15510 |
| Base 11 | 12411 | 13111 |
| Base 12 | 10312 | 10b12 |
| Base 13 | b413 | bc13 |
| Base 14 | a714 | b114 |
| Base 15 | 9c15 | a515 |
| Base 16 | 9316 | 9b16 |