Compare 142 vs 144
| Property | 142 | 144 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 2 |
| Total factors | 2 | 6 |
| Prime factorization | 21 × 711 | 24 × 32 |
| Prime factorization | 2 × 71 | 2 × 2 × 2 × 2 × 3 × 3 |
| Divisors count | 4 | 15 |
| Divisors | 1, 2, 71, 142 | 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144 |
| Number of properties | 1 | 0 |
| Semiprimes | 47th | |
| Roman numberals | CXLII | CXLIV |
| Base 2 | 100011102 | 100100002 |
| Base 3 | 120213 | 121003 |
| Base 4 | 20324 | 21004 |
| Base 5 | 10325 | 10345 |
| Base 6 | 3546 | 4006 |
| Base 7 | 2627 | 2647 |
| Base 8 | 2168 | 2208 |
| Base 9 | 1679 | 1709 |
| Base 10 | 14210 | 14410 |
| Base 11 | 11a11 | 12111 |
| Base 12 | ba12 | 10012 |
| Base 13 | ac13 | b113 |
| Base 14 | a214 | a414 |
| Base 15 | 9715 | 9915 |
| Base 16 | 8e16 | 9016 |