Compare 166399 vs 166405
| Property | 166399 | 166405 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 1663991 | 51 × 231 × 14471 |
| Prime factorization | 166399 | 5 × 23 × 1447 |
| Divisors count | 2 | 8 |
| Divisors | 1, 166399 | 1, 5, 23, 115, 1447, 7235, 33281, 166405 |
| Number of properties | 6 | 0 |
| Cousin primes (1st member) | 1832nd | |
| Harmonic primes | 5707th | |
| Isolated primes | 11495th | |
| Lucky primes | 1974th | |
| Primes | 15204th | |
| Sexy primes (2nd member) | 3678th | |
| Roman numberals | ||
| Base 2 | 1010001001111111112 | 1010001010000001012 |
| Base 3 | 221100202213 | 221100210113 |
| Base 4 | 2202133334 | 2202200114 |
| Base 5 | 203110445 | 203111105 |
| Base 6 | 33222116 | 33222216 |
| Base 7 | 12620627 | 12621017 |
| Base 8 | 5047778 | 5050058 |
| Base 9 | 2732279 | 2732349 |
| Base 10 | 16639910 | 16640510 |
| Base 11 | 10402211 | 10402811 |
| Base 12 | 8036712 | 8037112 |
| Base 13 | 5a97c13 | 5a98513 |
| Base 14 | 448d914 | 4490114 |
| Base 15 | 3448415 | 3448a15 |
| Base 16 | 289ff16 | 28a0516 |