Compare 218509 vs 227081
| Property | 218509 | 227081 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2185091 | 2270811 |
| Prime factorization | 218509 | 227081 |
| Divisors count | 2 | 2 |
| Divisors | 1, 218509 | 1, 227081 |
| Number of properties | 7 | 4 |
| Chen primes | 8405th | |
| Cousin primes (1st member) | 2299th | |
| Good primes | 1078th | 1086th |
| Harmonic primes | 7307th | |
| Isolated primes | 14853rd | 15401st |
| Long primes | 7292nd | |
| Primes | 19482nd | 20184th |
| Pythagorean primes | 9721st | |
| Roman numberals | ||
| Base 2 | 1101010101100011012 | 1101110111000010012 |
| Base 3 | 1020022012213 | 1021121111023 |
| Base 4 | 3111120314 | 3131300214 |
| Base 5 | 234430145 | 242313115 |
| Base 6 | 44033416 | 45111456 |
| Base 7 | 16000247 | 16340217 |
| Base 8 | 6526158 | 6734118 |
| Base 9 | 3626579 | 3754429 |
| Base 10 | 21850910 | 22708110 |
| Base 11 | 13a19511 | 14567811 |
| Base 12 | a655112 | ab4b512 |
| Base 13 | 785c513 | 7c48a13 |
| Base 14 | 598bb14 | 5ca8114 |
| Base 15 | 44b2415 | 4743b15 |
| Base 16 | 3558d16 | 3770916 |