Compare 840142 vs 840145
| Property | 840142 | 840145 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 21 × 191 × 221091 | 51 × 1680291 |
| Prime factorization | 2 × 19 × 22109 | 5 × 168029 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 19, 38, 22109, 44218, 420071, 840142 | 1, 5, 168029, 840145 |
| Number of properties | 0 | 1 |
| Semiprimes | 177749th | |
| Roman numberals | ||
| Base 2 | 110011010001110011102 | 110011010001110100012 |
| Base 3 | 11202001101013 | 11202001101113 |
| Base 4 | 30310130324 | 30310131014 |
| Base 5 | 2033410325 | 2033410405 |
| Base 6 | 300013146 | 300013216 |
| Base 7 | 100662527 | 100662557 |
| Base 8 | 31507168 | 31507218 |
| Base 9 | 15204119 | 15204149 |
| Base 10 | 84014210 | 84014510 |
| Base 11 | 52423611 | 52423911 |
| Base 12 | 34623a12 | 34624112 |
| Base 13 | 23553413 | 23553713 |
| Base 14 | 17c26214 | 17c26514 |
| Base 15 | 118de715 | 118dea15 |
| Base 16 | cd1ce16 | cd1d116 |