Compare 18399 vs 18401
| Property | 18399 | 18401 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 31 × 61331 | 184011 |
| Prime factorization | 3 × 6133 | 18401 |
| Divisors count | 4 | 2 |
| Divisors | 1, 3, 6133, 18399 | 1, 18401 |
| Number of properties | 1 | 5 |
| Cousin primes (2nd member) | 329th | |
| Happy primes | 360th | |
| Isolated primes | 1463rd | |
| Primes | 2108th | |
| Pythagorean primes | 1043rd | |
| Semiprimes | 4681st | |
| Roman numberals | ||
| Base 2 | 1000111110111112 | 1000111111000012 |
| Base 3 | 2210201103 | 2210201123 |
| Base 4 | 101331334 | 101332014 |
| Base 5 | 10420445 | 10421015 |
| Base 6 | 2211036 | 2211056 |
| Base 7 | 1044337 | 1044357 |
| Base 8 | 437378 | 437418 |
| Base 9 | 272139 | 272159 |
| Base 10 | 1839910 | 1840110 |
| Base 11 | 1290711 | 1290911 |
| Base 12 | a79312 | a79512 |
| Base 13 | 84b413 | 84b613 |
| Base 14 | 69c314 | 69c514 |
| Base 15 | 56b915 | 56bb15 |
| Base 16 | 47df16 | 47e116 |