Compare 221399 vs 221497
| Property | 221399 | 221497 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2213991 | 2214971 |
| Prime factorization | 221399 | 221497 |
| Divisors count | 2 | 2 |
| Divisors | 1, 221399 | 1, 221497 |
| Number of properties | 4 | 3 |
| Chen primes | 8221st | |
| Isolated primes | 15055th | |
| Primes | 19726th | 19736th |
| Pythagorean primes | 9847th | |
| Sexy primes (2nd member) | 4666th | |
| Twin primes (1st member) | 2340th | |
| Roman numberals | ||
| Base 2 | 1101100000110101112 | 1101100001001110012 |
| Base 3 | 1020202002223 | 1020202111213 |
| Base 4 | 3120031134 | 3120103214 |
| Base 5 | 240410445 | 240414425 |
| Base 6 | 44245556 | 44252416 |
| Base 7 | 16113237 | 16115237 |
| Base 8 | 6603278 | 6604718 |
| Base 9 | 3666289 | 3667479 |
| Base 10 | 22139910 | 22149710 |
| Base 11 | 14138211 | 14146111 |
| Base 12 | a815b12 | a822112 |
| Base 13 | 79a0913 | 79a8313 |
| Base 14 | 5a98314 | 5aa1314 |
| Base 15 | 458ee15 | 4596715 |
| Base 16 | 360d716 | 3613916 |