Compare 129 vs 140
| Property | 129 | 140 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 4 |
| Prime factorization | 31 × 431 | 22 × 51 × 71 |
| Prime factorization | 3 × 43 | 2 × 2 × 5 × 7 |
| Divisors count | 4 | 12 |
| Divisors | 1, 3, 43, 129 | 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140 |
| Number of properties | 1 | 0 |
| Semiprimes | 43rd | |
| Roman numberals | CXXIX | CXL |
| Base 2 | 100000012 | 100011002 |
| Base 3 | 112103 | 120123 |
| Base 4 | 20014 | 20304 |
| Base 5 | 10045 | 10305 |
| Base 6 | 3336 | 3526 |
| Base 7 | 2437 | 2607 |
| Base 8 | 2018 | 2148 |
| Base 9 | 1539 | 1659 |
| Base 10 | 12910 | 14010 |
| Base 11 | 10811 | 11811 |
| Base 12 | a912 | b812 |
| Base 13 | 9c13 | aa13 |
| Base 14 | 9314 | a014 |
| Base 15 | 8915 | 9515 |
| Base 16 | 8116 | 8c16 |