Compare 18489 vs 18493
| Property | 18489 | 18493 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 31 × 61631 | 184931 |
| Prime factorization | 3 × 6163 | 18493 |
| Divisors count | 4 | 2 |
| Divisors | 1, 3, 6163, 18489 | 1, 18493 |
| Number of properties | 1 | 4 |
| Isolated primes | 1473rd | |
| Lucky primes | 346th | |
| Primes | 2118th | |
| Pythagorean primes | 1049th | |
| Semiprimes | 4701st | |
| Roman numberals | ||
| Base 2 | 1001000001110012 | 1001000001111012 |
| Base 3 | 2211002103 | 2211002213 |
| Base 4 | 102003214 | 102003314 |
| Base 5 | 10424245 | 10424335 |
| Base 6 | 2213336 | 2213416 |
| Base 7 | 1046227 | 1046267 |
| Base 8 | 440718 | 440758 |
| Base 9 | 273239 | 273279 |
| Base 10 | 1848910 | 1849310 |
| Base 11 | 1298911 | 1299211 |
| Base 12 | a84912 | a85112 |
| Base 13 | 855313 | 855713 |
| Base 14 | 6a4914 | 6a4d14 |
| Base 15 | 572915 | 572d15 |
| Base 16 | 483916 | 483d16 |