Compare 143 vs 166
| Property | 143 | 166 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 111 × 131 | 21 × 831 |
| Prime factorization | 11 × 13 | 2 × 83 |
| Divisors count | 4 | 4 |
| Divisors | 1, 11, 13, 143 | 1, 2, 83, 166 |
| Number of properties | 1 | 1 |
| Semiprimes | 48th | 55th |
| Roman numberals | CXLIII | CLXVI |
| Base 2 | 100011112 | 101001102 |
| Base 3 | 120223 | 200113 |
| Base 4 | 20334 | 22124 |
| Base 5 | 10335 | 11315 |
| Base 6 | 3556 | 4346 |
| Base 7 | 2637 | 3257 |
| Base 8 | 2178 | 2468 |
| Base 9 | 1689 | 2049 |
| Base 10 | 14310 | 16610 |
| Base 11 | 12011 | 14111 |
| Base 12 | bb12 | 11a12 |
| Base 13 | b013 | ca13 |
| Base 14 | a314 | bc14 |
| Base 15 | 9815 | b115 |
| Base 16 | 8f16 | a616 |