Compare 142 vs 178
| Property | 142 | 178 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 21 × 711 | 21 × 891 |
| Prime factorization | 2 × 71 | 2 × 89 |
| Divisors count | 4 | 4 |
| Divisors | 1, 2, 71, 142 | 1, 2, 89, 178 |
| Number of properties | 1 | 1 |
| Semiprimes | 47th | 58th |
| Roman numberals | CXLII | CLXXVIII |
| Base 2 | 100011102 | 101100102 |
| Base 3 | 120213 | 201213 |
| Base 4 | 20324 | 23024 |
| Base 5 | 10325 | 12035 |
| Base 6 | 3546 | 4546 |
| Base 7 | 2627 | 3437 |
| Base 8 | 2168 | 2628 |
| Base 9 | 1679 | 2179 |
| Base 10 | 14210 | 17810 |
| Base 11 | 11a11 | 15211 |
| Base 12 | ba12 | 12a12 |
| Base 13 | ac13 | 10913 |
| Base 14 | a214 | ca14 |
| Base 15 | 9715 | bd15 |
| Base 16 | 8e16 | b216 |