Compare 221209 vs 221227
| Property | 221209 | 221227 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2212091 | 2212271 |
| Prime factorization | 221209 | 221227 |
| Divisors count | 2 | 2 |
| Divisors | 1, 221209 | 1, 221227 |
| Number of properties | 7 | 5 |
| Happy primes | 2995th | |
| Harmonic primes | 7397th | 7399th |
| Isolated primes | 15036th | 15038th |
| Primes | 19713th | 19715th |
| Pythagorean primes | 9835th | |
| Sexy primes (1st member) | 4663rd | |
| Sexy primes (2nd member) | 4662nd | |
| Sexy prime triplets (1st member) | 931st | |
| Sexy prime triplets (3rd member) | 930th | |
| Roman numberals | ||
| Base 2 | 1101100000000110012 | 1101100000001010112 |
| Base 3 | 1020201022213 | 1020201101213 |
| Base 4 | 3120001214 | 3120002234 |
| Base 5 | 240343145 | 240344025 |
| Base 6 | 44240416 | 44241116 |
| Base 7 | 16106327 | 16106567 |
| Base 8 | 6600318 | 6600538 |
| Base 9 | 3663879 | 3664179 |
| Base 10 | 22120910 | 22122710 |
| Base 11 | 14121a11 | 14123611 |
| Base 12 | a802112 | a803712 |
| Base 13 | 798c113 | 7990613 |
| Base 14 | 5a88914 | 5a89d14 |
| Base 15 | 4582415 | 4583715 |
| Base 16 | 3601916 | 3602b16 |