Compare 180221 vs 180247
| Property | 180221 | 180247 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1802211 | 1802471 |
| Prime factorization | 180221 | 180247 |
| Divisors count | 2 | 2 |
| Divisors | 1, 180221 | 1, 180247 |
| Number of properties | 7 | 7 |
| Chen primes | 6918th | 6920th |
| Emirps | 3743rd | |
| Harmonic primes | 6122nd | 6125th |
| Isolated primes | 12400th | 12402nd |
| Long primes | 6136th | 6138th |
| Primes | 16357th | 16361st |
| Pythagorean primes | 8172nd | |
| Sexy primes (2nd member) | 3932nd | |
| Super primes | 1897th | |
| Roman numberals | ||
| Base 2 | 1010111111111111012 | 1011000000000101112 |
| Base 3 | 1000110122123 | 1000110202113 |
| Base 4 | 2233333314 | 2300001134 |
| Base 5 | 212313415 | 212314425 |
| Base 6 | 35102056 | 35102516 |
| Base 7 | 13502667 | 13503347 |
| Base 8 | 5377758 | 5400278 |
| Base 9 | 3041859 | 3042249 |
| Base 10 | 18022110 | 18024710 |
| Base 11 | 11344811 | 11347111 |
| Base 12 | 8836512 | 8838712 |
| Base 13 | 6405213 | 6407213 |
| Base 14 | 4996d14 | 4998b14 |
| Base 15 | 385eb15 | 3861715 |
| Base 16 | 2bffd16 | 2c01716 |