Compare 142 vs 169
| Property | 142 | 169 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 2 |
| Prime factorization | 21 × 711 | 132 |
| Prime factorization | 2 × 71 | 13 × 13 |
| Divisors count | 4 | 3 |
| Divisors | 1, 2, 71, 142 | 1, 13, 169 |
| Number of properties | 1 | 1 |
| Semiprimes | 47th | 56th |
| Roman numberals | CXLII | CLXIX |
| Base 2 | 100011102 | 101010012 |
| Base 3 | 120213 | 200213 |
| Base 4 | 20324 | 22214 |
| Base 5 | 10325 | 11345 |
| Base 6 | 3546 | 4416 |
| Base 7 | 2627 | 3317 |
| Base 8 | 2168 | 2518 |
| Base 9 | 1679 | 2079 |
| Base 10 | 14210 | 16910 |
| Base 11 | 11a11 | 14411 |
| Base 12 | ba12 | 12112 |
| Base 13 | ac13 | 10013 |
| Base 14 | a214 | c114 |
| Base 15 | 9715 | b415 |
| Base 16 | 8e16 | a916 |