Compare 161009 vs 161018
| Property | 161009 | 161018 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 4 |
| Total factors | 1 | 4 |
| Prime factorization | 1610091 | 21 × 111 × 131 × 5631 |
| Prime factorization | 161009 | 2 × 11 × 13 × 563 |
| Divisors count | 2 | 16 |
| Divisors | 1, 161009 | 1, 2, 11, 13, 22, 26, 143, 286, 563, 1126, 6193, 7319, 12386, 14638, 80509, 161018 |
| Number of properties | 6 | 0 |
| Additive primes | 6059th | |
| Chen primes | 6300th | |
| Emirps | 3243rd | |
| Isolated primes | 11146th | |
| Primes | 14769th | |
| Pythagorean primes | 7367th | |
| Roman numberals | ||
| Base 2 | 1001110100111100012 | 1001110100111110102 |
| Base 3 | 220112120223 | 220112121223 |
| Base 4 | 2131033014 | 2131033224 |
| Base 5 | 201230145 | 201230335 |
| Base 6 | 32412256 | 32412426 |
| Base 7 | 12402627 | 12403047 |
| Base 8 | 4723618 | 4723728 |
| Base 9 | 2647689 | 2647789 |
| Base 10 | 16100910 | 16101810 |
| Base 11 | aaa7211 | aaa8011 |
| Base 12 | 7921512 | 7922212 |
| Base 13 | 5839413 | 583a013 |
| Base 14 | 4296914 | 4297414 |
| Base 15 | 32a8e15 | 32a9815 |
| Base 16 | 274f116 | 274fa16 |