Compare 166021 vs 166081
| Property | 166021 | 166081 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1660211 | 1660811 |
| Prime factorization | 166021 | 166081 |
| Divisors count | 2 | 2 |
| Divisors | 1, 166021 | 1, 166081 |
| Number of properties | 6 | 5 |
| Emirps | 3362nd | |
| Harmonic primes | 5696th | 5699th |
| Isolated primes | 11470th | 11475th |
| Lucky primes | 1970th | |
| Primes | 15175th | 15180th |
| Pythagorean primes | 7569th | 7570th |
| Sexy primes (1st member) | 3672nd | |
| Roman numberals | ||
| Base 2 | 1010001000100001012 | 1010001000110000012 |
| Base 3 | 221022012213 | 221022110113 |
| Base 4 | 2202020114 | 2202030014 |
| Base 5 | 203030415 | 203033115 |
| Base 6 | 33203416 | 33205216 |
| Base 7 | 12610127 | 12611267 |
| Base 8 | 5042058 | 5043018 |
| Base 9 | 2726579 | 2727349 |
| Base 10 | 16602110 | 16608110 |
| Base 11 | 10380911 | 10386311 |
| Base 12 | 800b112 | 8014112 |
| Base 13 | 5a74b13 | 5a79613 |
| Base 14 | 4470914 | 4474d14 |
| Base 15 | 342d115 | 3432115 |
| Base 16 | 2888516 | 288c116 |