Compare 161009 vs 161021
| Property | 161009 | 161021 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 1610091 | 71 × 230031 |
| Prime factorization | 161009 | 7 × 23003 |
| Divisors count | 2 | 4 |
| Divisors | 1, 161009 | 1, 7, 23003, 161021 |
| Number of properties | 6 | 1 |
| Additive primes | 6059th | |
| Chen primes | 6300th | |
| Emirps | 3243rd | |
| Isolated primes | 11146th | |
| Primes | 14769th | |
| Pythagorean primes | 7367th | |
| Semiprimes | 36780th | |
| Roman numberals | ||
| Base 2 | 1001110100111100012 | 1001110100111111012 |
| Base 3 | 220112120223 | 220112122023 |
| Base 4 | 2131033014 | 2131033314 |
| Base 5 | 201230145 | 201230415 |
| Base 6 | 32412256 | 32412456 |
| Base 7 | 12402627 | 12403107 |
| Base 8 | 4723618 | 4723758 |
| Base 9 | 2647689 | 2647829 |
| Base 10 | 16100910 | 16102110 |
| Base 11 | aaa7211 | aaa8311 |
| Base 12 | 7921512 | 7922512 |
| Base 13 | 5839413 | 583a313 |
| Base 14 | 4296914 | 4297714 |
| Base 15 | 32a8e15 | 32a9b15 |
| Base 16 | 274f116 | 274fd16 |