Compare 144 vs 155
| Property | 144 | 155 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 6 | 2 |
| Prime factorization | 24 × 32 | 51 × 311 |
| Prime factorization | 2 × 2 × 2 × 2 × 3 × 3 | 5 × 31 |
| Divisors count | 15 | 4 |
| Divisors | 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144 | 1, 5, 31, 155 |
| Number of properties | 0 | 1 |
| Semiprimes | 51st | |
| Roman numberals | CXLIV | CLV |
| Base 2 | 100100002 | 100110112 |
| Base 3 | 121003 | 122023 |
| Base 4 | 21004 | 21234 |
| Base 5 | 10345 | 11105 |
| Base 6 | 4006 | 4156 |
| Base 7 | 2647 | 3117 |
| Base 8 | 2208 | 2338 |
| Base 9 | 1709 | 1829 |
| Base 10 | 14410 | 15510 |
| Base 11 | 12111 | 13111 |
| Base 12 | 10012 | 10b12 |
| Base 13 | b113 | bc13 |
| Base 14 | a414 | b114 |
| Base 15 | 9915 | a515 |
| Base 16 | 9016 | 9b16 |