Compare 221489 vs 221891
| Property | 221489 | 221891 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2214891 | 2218911 |
| Prime factorization | 221489 | 221891 |
| Divisors count | 2 | 2 |
| Divisors | 1, 221489 | 1, 221891 |
| Number of properties | 5 | 5 |
| Additive primes | 8002nd | |
| Chen primes | 8225th | 8237th |
| Isolated primes | 15054th | 15079th |
| Long primes | 7395th | |
| Primes | 19735th | 19768th |
| Pythagorean primes | 9846th | |
| Sophie germain primes | 2238th | |
| Roman numberals | ||
| Base 2 | 1101100001001100012 | 1101100010110000112 |
| Base 3 | 1020202110223 | 1020211010123 |
| Base 4 | 3120103014 | 3120230034 |
| Base 5 | 240414245 | 241000315 |
| Base 6 | 44252256 | 44311356 |
| Base 7 | 16115127 | 16126257 |
| Base 8 | 6604618 | 6613038 |
| Base 9 | 3667389 | 3673359 |
| Base 10 | 22148910 | 22189110 |
| Base 11 | 14145411 | 14178a11 |
| Base 12 | a821512 | a84ab12 |
| Base 13 | 79a7813 | 79cc713 |
| Base 14 | 5aa0914 | 5ac1514 |
| Base 15 | 4595e15 | 45b2b15 |
| Base 16 | 3613116 | 362c316 |