Compare 218221 vs 218227
| Property | 218221 | 218227 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 471 × 46431 | 2182271 |
| Prime factorization | 47 × 4643 | 218227 |
| Divisors count | 4 | 2 |
| Divisors | 1, 47, 4643, 218221 | 1, 218227 |
| Number of properties | 1 | 3 |
| Isolated primes | 14837th | |
| Primes | 19462nd | |
| Semiprimes | 49153rd | |
| Sexy primes (1st member) | 4605th | |
| Roman numberals | ||
| Base 2 | 1101010100011011012 | 1101010100011100112 |
| Base 3 | 1020021000213 | 1020021001113 |
| Base 4 | 3111012314 | 3111013034 |
| Base 5 | 234403415 | 234404025 |
| Base 6 | 44021416 | 44021516 |
| Base 7 | 15661337 | 15661427 |
| Base 8 | 6521558 | 6521638 |
| Base 9 | 3623079 | 3623149 |
| Base 10 | 21822110 | 21822710 |
| Base 11 | 139a5311 | 139a5911 |
| Base 12 | a635112 | a635712 |
| Base 13 | 7843313 | 7843913 |
| Base 14 | 5975314 | 5975914 |
| Base 15 | 449d115 | 449d715 |
| Base 16 | 3546d16 | 3547316 |