Compare 42787 vs 42989
| Property | 42787 | 42989 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 427871 | 429891 |
| Prime factorization | 42787 | 42989 |
| Divisors count | 2 | 2 |
| Divisors | 1, 42787 | 1, 42989 |
| Number of properties | 4 | 7 |
| Chen primes | 2105th | |
| Harmonic primes | 1665th | 1672nd |
| Isolated primes | 3233rd | 3249th |
| Long primes | 1691st | |
| Primes | 4474th | 4494th |
| Pythagorean primes | 2230th | |
| Sexy primes (1st member) | 1271st | |
| Ulam primes | 340th | |
| Roman numberals | ||
| Base 2 | 10100111001000112 | 10100111111011012 |
| Base 3 | 20112002013 | 20112220123 |
| Base 4 | 221302034 | 221332314 |
| Base 5 | 23321225 | 23334245 |
| Base 6 | 5300316 | 5310056 |
| Base 7 | 2355137 | 2362227 |
| Base 8 | 1234438 | 1237558 |
| Base 9 | 646219 | 648659 |
| Base 10 | 4278710 | 4298910 |
| Base 11 | 2a16811 | 2a33111 |
| Base 12 | 2091712 | 20a6512 |
| Base 13 | 1662413 | 1674b13 |
| Base 14 | 1184314 | 1194914 |
| Base 15 | ca2715 | cb0e15 |
| Base 16 | a72316 | a7ed16 |