Compare 42989 vs 42998
| Property | 42989 | 42998 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 429891 | 21 × 214991 |
| Prime factorization | 42989 | 2 × 21499 |
| Divisors count | 2 | 4 |
| Divisors | 1, 42989 | 1, 2, 21499, 42998 |
| Number of properties | 7 | 1 |
| Chen primes | 2105th | |
| Harmonic primes | 1672nd | |
| Isolated primes | 3249th | |
| Long primes | 1691st | |
| Primes | 4494th | |
| Pythagorean primes | 2230th | |
| Semiprimes | 10463rd | |
| Ulam primes | 340th | |
| Roman numberals | ||
| Base 2 | 10100111111011012 | 10100111111101102 |
| Base 3 | 20112220123 | 20112221123 |
| Base 4 | 221332314 | 221333124 |
| Base 5 | 23334245 | 23334435 |
| Base 6 | 5310056 | 5310226 |
| Base 7 | 2362227 | 2362347 |
| Base 8 | 1237558 | 1237668 |
| Base 9 | 648659 | 648759 |
| Base 10 | 4298910 | 4299810 |
| Base 11 | 2a33111 | 2a33a11 |
| Base 12 | 20a6512 | 20a7212 |
| Base 13 | 1674b13 | 1675713 |
| Base 14 | 1194914 | 1195414 |
| Base 15 | cb0e15 | cb1815 |
| Base 16 | a7ed16 | a7f616 |