Compare 42890 vs 42901
| Property | 42890 | 42901 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 51 × 42891 | 429011 |
| Prime factorization | 2 × 5 × 4289 | 42901 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 5, 10, 4289, 8578, 21445, 42890 | 1, 42901 |
| Number of properties | 0 | 5 |
| Long primes | 1686th | |
| Primes | 4485th | |
| Pythagorean primes | 2225th | |
| Twin primes (2nd member) | 623rd | |
| Ulam primes | 338th | |
| Roman numberals | ||
| Base 2 | 10100111100010102 | 10100111100101012 |
| Base 3 | 20112111123 | 20112112213 |
| Base 4 | 221320224 | 221321114 |
| Base 5 | 23330305 | 23331015 |
| Base 6 | 5303226 | 5303416 |
| Base 7 | 2360217 | 2360357 |
| Base 8 | 1236128 | 1236258 |
| Base 9 | 647459 | 647579 |
| Base 10 | 4289010 | 4290110 |
| Base 11 | 2a25111 | 2a26111 |
| Base 12 | 209a212 | 209b112 |
| Base 13 | 166a313 | 166b113 |
| Base 14 | 118b814 | 118c514 |
| Base 15 | ca9515 | caa115 |
| Base 16 | a78a16 | a79516 |