Compare 221621 vs 223589
| Property | 221621 | 223589 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2216211 | 2235891 |
| Prime factorization | 221621 | 223589 |
| Divisors count | 2 | 2 |
| Divisors | 1, 221621 | 1, 223589 |
| Number of properties | 7 | 8 |
| Additive primes | 8069th | |
| Chen primes | 8229th | 8292nd |
| Harmonic primes | 7412th | 7485th |
| Isolated primes | 15183rd | |
| Long primes | 7390th | 7454th |
| Primes | 19745th | 19910th |
| Pythagorean primes | 9852nd | 9931st |
| Sophie germain primes | 2239th | 2249th |
| Twin primes (1st member) | 2343rd | |
| Roman numberals | ||
| Base 2 | 1101100001101101012 | 1101101001011001012 |
| Base 3 | 1020210000123 | 1021002010023 |
| Base 4 | 3120123114 | 3122112114 |
| Base 5 | 240424415 | 241233245 |
| Base 6 | 44300056 | 44430456 |
| Base 7 | 16120617 | 16206027 |
| Base 8 | 6606658 | 6645458 |
| Base 9 | 3670059 | 3706329 |
| Base 10 | 22162110 | 22358910 |
| Base 11 | 14156411 | 142a9311 |
| Base 12 | a830512 | a948512 |
| Base 13 | 79b4a13 | 7aa0213 |
| Base 14 | 5aaa114 | 5b6a914 |
| Base 15 | 459eb15 | 463ae15 |
| Base 16 | 361b516 | 3696516 |