Compare 42901 vs 42909
| Property | 42901 | 42909 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 429011 | 31 × 143031 |
| Prime factorization | 42901 | 3 × 14303 |
| Divisors count | 2 | 4 |
| Divisors | 1, 42901 | 1, 3, 14303, 42909 |
| Number of properties | 5 | 1 |
| Long primes | 1686th | |
| Primes | 4485th | |
| Pythagorean primes | 2225th | |
| Semiprimes | 10441st | |
| Twin primes (2nd member) | 623rd | |
| Ulam primes | 338th | |
| Roman numberals | ||
| Base 2 | 10100111100101012 | 10100111100111012 |
| Base 3 | 20112112213 | 20112120203 |
| Base 4 | 221321114 | 221321314 |
| Base 5 | 23331015 | 23331145 |
| Base 6 | 5303416 | 5303536 |
| Base 7 | 2360357 | 2360467 |
| Base 8 | 1236258 | 1236358 |
| Base 9 | 647579 | 647669 |
| Base 10 | 4290110 | 4290910 |
| Base 11 | 2a26111 | 2a26911 |
| Base 12 | 209b112 | 209b912 |
| Base 13 | 166b113 | 166b913 |
| Base 14 | 118c514 | 118cd14 |
| Base 15 | caa115 | caa915 |
| Base 16 | a79516 | a79d16 |