Compare 140 vs 142
| Property | 140 | 142 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 22 × 51 × 71 | 21 × 711 |
| Prime factorization | 2 × 2 × 5 × 7 | 2 × 71 |
| Divisors count | 12 | 4 |
| Divisors | 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140 | 1, 2, 71, 142 |
| Number of properties | 0 | 1 |
| Semiprimes | 47th | |
| Roman numberals | CXL | CXLII |
| Base 2 | 100011002 | 100011102 |
| Base 3 | 120123 | 120213 |
| Base 4 | 20304 | 20324 |
| Base 5 | 10305 | 10325 |
| Base 6 | 3526 | 3546 |
| Base 7 | 2607 | 2627 |
| Base 8 | 2148 | 2168 |
| Base 9 | 1659 | 1679 |
| Base 10 | 14010 | 14210 |
| Base 11 | 11811 | 11a11 |
| Base 12 | b812 | ba12 |
| Base 13 | aa13 | ac13 |
| Base 14 | a014 | a214 |
| Base 15 | 9515 | 9715 |
| Base 16 | 8c16 | 8e16 |