Compare 161999 vs 162005
| Property | 161999 | 162005 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 1619991 | 51 × 324011 |
| Prime factorization | 161999 | 5 × 32401 |
| Divisors count | 2 | 4 |
| Divisors | 1, 161999 | 1, 5, 32401, 162005 |
| Number of properties | 4 | 1 |
| Chen primes | 6332nd | |
| Harmonic primes | 5570th | |
| Isolated primes | 11209th | |
| Primes | 14852nd | |
| Semiprimes | 37004th | |
| Roman numberals | ||
| Base 2 | 1001111000110011112 | 1001111000110101012 |
| Base 3 | 220200122223 | 220200200123 |
| Base 4 | 2132030334 | 2132031114 |
| Base 5 | 201404445 | 201410105 |
| Base 6 | 32455556 | 32500056 |
| Base 7 | 12432057 | 12432147 |
| Base 8 | 4743178 | 4743258 |
| Base 9 | 2661889 | 2662059 |
| Base 10 | 16199910 | 16200510 |
| Base 11 | 10079211 | 10079811 |
| Base 12 | 798bb12 | 7990512 |
| Base 13 | 5897613 | 5897c13 |
| Base 14 | 4307514 | 4307b14 |
| Base 15 | 32eee15 | 3300515 |
| Base 16 | 278cf16 | 278d516 |