Compare 42787 vs 42791
| Property | 42787 | 42791 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 427871 | 71 × 61131 |
| Prime factorization | 42787 | 7 × 6113 |
| Divisors count | 2 | 4 |
| Divisors | 1, 42787 | 1, 7, 6113, 42791 |
| Number of properties | 4 | 1 |
| Harmonic primes | 1665th | |
| Isolated primes | 3233rd | |
| Primes | 4474th | |
| Semiprimes | 10415th | |
| Sexy primes (1st member) | 1271st | |
| Roman numberals | ||
| Base 2 | 10100111001000112 | 10100111001001112 |
| Base 3 | 20112002013 | 20112002123 |
| Base 4 | 221302034 | 221302134 |
| Base 5 | 23321225 | 23321315 |
| Base 6 | 5300316 | 5300356 |
| Base 7 | 2355137 | 2355207 |
| Base 8 | 1234438 | 1234478 |
| Base 9 | 646219 | 646259 |
| Base 10 | 4278710 | 4279110 |
| Base 11 | 2a16811 | 2a17111 |
| Base 12 | 2091712 | 2091b12 |
| Base 13 | 1662413 | 1662813 |
| Base 14 | 1184314 | 1184714 |
| Base 15 | ca2715 | ca2b15 |
| Base 16 | a72316 | a72716 |