Compare 221621 vs 221873
| Property | 221621 | 221873 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2216211 | 2218731 |
| Prime factorization | 221621 | 221873 |
| Divisors count | 2 | 2 |
| Divisors | 1, 221621 | 1, 221873 |
| Number of properties | 7 | 7 |
| Additive primes | 8001st | |
| Chen primes | 8229th | |
| Harmonic primes | 7412th | 7421st |
| Isolated primes | 15078th | |
| Long primes | 7390th | 7394th |
| Primes | 19745th | 19767th |
| Pythagorean primes | 9852nd | 9864th |
| Sophie germain primes | 2239th | |
| Twin primes (1st member) | 2343rd | |
| Ulam primes | 1415th | |
| Roman numberals | ||
| Base 2 | 1101100001101101012 | 1101100010101100012 |
| Base 3 | 1020210000123 | 1020211001123 |
| Base 4 | 3120123114 | 3120223014 |
| Base 5 | 240424415 | 240444435 |
| Base 6 | 44300056 | 44311056 |
| Base 7 | 16120617 | 16126017 |
| Base 8 | 6606658 | 6612618 |
| Base 9 | 3670059 | 3673159 |
| Base 10 | 22162110 | 22187310 |
| Base 11 | 14156411 | 14177311 |
| Base 12 | a830512 | a849512 |
| Base 13 | 79b4a13 | 79cb213 |
| Base 14 | 5aaa114 | 5ac0114 |
| Base 15 | 459eb15 | 45b1815 |
| Base 16 | 361b516 | 362b116 |