Compare 143 vs 155
| Property | 143 | 155 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 111 × 131 | 51 × 311 |
| Prime factorization | 11 × 13 | 5 × 31 |
| Divisors count | 4 | 4 |
| Divisors | 1, 11, 13, 143 | 1, 5, 31, 155 |
| Number of properties | 1 | 1 |
| Semiprimes | 48th | 51st |
| Roman numberals | CXLIII | CLV |
| Base 2 | 100011112 | 100110112 |
| Base 3 | 120223 | 122023 |
| Base 4 | 20334 | 21234 |
| Base 5 | 10335 | 11105 |
| Base 6 | 3556 | 4156 |
| Base 7 | 2637 | 3117 |
| Base 8 | 2178 | 2338 |
| Base 9 | 1689 | 1829 |
| Base 10 | 14310 | 15510 |
| Base 11 | 12011 | 13111 |
| Base 12 | bb12 | 10b12 |
| Base 13 | b013 | bc13 |
| Base 14 | a314 | b114 |
| Base 15 | 9815 | a515 |
| Base 16 | 8f16 | 9b16 |