Compare 42780 vs 42781
| Property | 42780 | 42781 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 5 | 2 |
| Total factors | 6 | 2 |
| Prime factorization | 22 × 31 × 51 × 231 × 311 | 1791 × 2391 |
| Prime factorization | 2 × 2 × 3 × 5 × 23 × 31 | 179 × 239 |
| Divisors count | 48 | 4 |
| Divisors | 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 31, 46, 60, 62, 69, 92, 93, 115, 124, 138, 155, 186, 230, 276, 310, 345, 372, 460, 465, 620, 690, 713, 930, 1380, 1426, 1860, 2139, 2852, 3565, 4278, 7130, 8556, 10695, 14260, 21390, 42780 | 1, 179, 239, 42781 |
| Number of properties | 0 | 1 |
| Semiprimes | 10413th | |
| Roman numberals | ||
| Base 2 | 10100111000111002 | 10100111000111012 |
| Base 3 | 20112001103 | 20112001113 |
| Base 4 | 221301304 | 221301314 |
| Base 5 | 23321105 | 23321115 |
| Base 6 | 5300206 | 5300216 |
| Base 7 | 2355037 | 2355047 |
| Base 8 | 1234348 | 1234358 |
| Base 9 | 646139 | 646149 |
| Base 10 | 4278010 | 4278110 |
| Base 11 | 2a16111 | 2a16211 |
| Base 12 | 2091012 | 2091112 |
| Base 13 | 1661a13 | 1661b13 |
| Base 14 | 1183a14 | 1183b14 |
| Base 15 | ca2015 | ca2115 |
| Base 16 | a71c16 | a71d16 |