Compare 221621 vs 222839
| Property | 221621 | 222839 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2216211 | 2228391 |
| Prime factorization | 221621 | 222839 |
| Divisors count | 2 | 2 |
| Divisors | 1, 221621 | 1, 222839 |
| Number of properties | 7 | 4 |
| Chen primes | 8229th | 8266th |
| Harmonic primes | 7412th | 7454th |
| Long primes | 7390th | |
| Primes | 19745th | 19842nd |
| Pythagorean primes | 9852nd | |
| Sophie germain primes | 2239th | |
| Twin primes (1st member) | 2343rd | 2355th |
| Roman numberals | ||
| Base 2 | 1101100001101101012 | 1101100110011101112 |
| Base 3 | 1020210000123 | 1020222000223 |
| Base 4 | 3120123114 | 3121213134 |
| Base 5 | 240424415 | 241123245 |
| Base 6 | 44300056 | 44353556 |
| Base 7 | 16120617 | 16154517 |
| Base 8 | 6606658 | 6631678 |
| Base 9 | 3670059 | 3686089 |
| Base 10 | 22162110 | 22283910 |
| Base 11 | 14156411 | 14247111 |
| Base 12 | a830512 | a8b5b12 |
| Base 13 | 79b4a13 | 7a57613 |
| Base 14 | 5aaa114 | 5b2d114 |
| Base 15 | 459eb15 | 4605e15 |
| Base 16 | 361b516 | 3667716 |