Compare 179999 vs 180221
| Property | 179999 | 180221 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1799991 | 1802211 |
| Prime factorization | 179999 | 180221 |
| Divisors count | 2 | 2 |
| Divisors | 1, 179999 | 1, 180221 |
| Number of properties | 3 | 7 |
| Chen primes | 6913th | 6918th |
| Emirps | 3743rd | |
| Harmonic primes | 6122nd | |
| Isolated primes | 12400th | |
| Long primes | 6136th | |
| Primes | 16342nd | 16357th |
| Pythagorean primes | 8172nd | |
| Twin primes (1st member) | 1977th | |
| Roman numberals | ||
| Base 2 | 1010111111000111112 | 1010111111111111012 |
| Base 3 | 1000102201223 | 1000110122123 |
| Base 4 | 2233301334 | 2233333314 |
| Base 5 | 212244445 | 212313415 |
| Base 6 | 35051556 | 35102056 |
| Base 7 | 13465317 | 13502667 |
| Base 8 | 5374378 | 5377758 |
| Base 9 | 3038189 | 3041859 |
| Base 10 | 17999910 | 18022110 |
| Base 11 | 11326611 | 11344811 |
| Base 12 | 881bb12 | 8836512 |
| Base 13 | 63c1113 | 6405213 |
| Base 14 | 4985114 | 4996d14 |
| Base 15 | 384ee15 | 385eb15 |
| Base 16 | 2bf1f16 | 2bffd16 |