Compare 221021 vs 221393
| Property | 221021 | 221393 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2210211 | 2213931 |
| Prime factorization | 221021 | 221393 |
| Divisors count | 2 | 2 |
| Divisors | 1, 221021 | 1, 221393 |
| Number of properties | 6 | 7 |
| Chen primes | 8220th | |
| Harmonic primes | 7390th | 7404th |
| Isolated primes | 15026th | 15048th |
| Long primes | 7375th | 7384th |
| Primes | 19697th | 19725th |
| Pythagorean primes | 9827th | 9840th |
| Sexy primes (1st member) | 4666th | |
| Super primes | 2229th | |
| Roman numberals | ||
| Base 2 | 1101011111010111012 | 1101100000110100012 |
| Base 3 | 1020200112223 | 1020202002023 |
| Base 4 | 3113311314 | 3120031014 |
| Base 5 | 240330415 | 240410335 |
| Base 6 | 44231256 | 44245456 |
| Base 7 | 16102437 | 16113147 |
| Base 8 | 6575358 | 6603218 |
| Base 9 | 3661589 | 3666229 |
| Base 10 | 22102110 | 22139310 |
| Base 11 | 14106911 | 14137711 |
| Base 12 | a7aa512 | a815512 |
| Base 13 | 797a813 | 79a0313 |
| Base 14 | 5a79314 | 5a97b14 |
| Base 15 | 4574b15 | 458e815 |
| Base 16 | 35f5d16 | 360d116 |