Compare 218345 vs 218357
| Property | 218345 | 218357 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 51 × 436691 | 2183571 |
| Prime factorization | 5 × 43669 | 218357 |
| Divisors count | 4 | 2 |
| Divisors | 1, 5, 43669, 218345 | 1, 218357 |
| Number of properties | 1 | 6 |
| Chen primes | 8118th | |
| Good primes | 1076th | |
| Isolated primes | 14842nd | |
| Primes | 19467th | |
| Pythagorean primes | 9713th | |
| Semiprimes | 49190th | |
| Sexy primes (1st member) | 4606th | |
| Roman numberals | ||
| Base 2 | 1101010100111010012 | 1101010100111101012 |
| Base 3 | 1020021112123 | 1020021120223 |
| Base 4 | 3111032214 | 3111033114 |
| Base 5 | 234413405 | 234414125 |
| Base 6 | 44025056 | 44025256 |
| Base 7 | 15664017 | 15664167 |
| Base 8 | 6523518 | 6523658 |
| Base 9 | 3624559 | 3624689 |
| Base 10 | 21834510 | 21835710 |
| Base 11 | 13a05611 | 13a06711 |
| Base 12 | a643512 | a644512 |
| Base 13 | 784ca13 | 7850913 |
| Base 14 | 5980114 | 5980d14 |
| Base 15 | 44a6515 | 44a7215 |
| Base 16 | 354e916 | 354f516 |