Compare 221489 vs 221999
| Property | 221489 | 221999 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2214891 | 2219991 |
| Prime factorization | 221489 | 221999 |
| Divisors count | 2 | 2 |
| Divisors | 1, 221489 | 1, 221999 |
| Number of properties | 5 | 4 |
| Chen primes | 8225th | 8241st |
| Isolated primes | 15054th | 15083rd |
| Primes | 19735th | 19776th |
| Pythagorean primes | 9846th | |
| Sophie germain primes | 2238th | 2240th |
| Roman numberals | ||
| Base 2 | 1101100001001100012 | 1101100011001011112 |
| Base 3 | 1020202110223 | 1020211120123 |
| Base 4 | 3120103014 | 3120302334 |
| Base 5 | 240414245 | 241004445 |
| Base 6 | 44252256 | 44314356 |
| Base 7 | 16115127 | 16131417 |
| Base 8 | 6604618 | 6614578 |
| Base 9 | 3667389 | 3674659 |
| Base 10 | 22148910 | 22199910 |
| Base 11 | 14145411 | 14187811 |
| Base 12 | a821512 | a857b12 |
| Base 13 | 79a7813 | 7a07b13 |
| Base 14 | 5aa0914 | 5ac9114 |
| Base 15 | 4595e15 | 45b9e15 |
| Base 16 | 3613116 | 3632f16 |