Compare 161009 vs 161020
| Property | 161009 | 161020 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 4 |
| Total factors | 1 | 5 |
| Prime factorization | 1610091 | 22 × 51 × 831 × 971 |
| Prime factorization | 161009 | 2 × 2 × 5 × 83 × 97 |
| Divisors count | 2 | 24 |
| Divisors | 1, 161009 | 1, 2, 4, 5, 10, 20, 83, 97, 166, 194, 332, 388, 415, 485, 830, 970, 1660, 1940, 8051, 16102, 32204, 40255, 80510, 161020 |
| 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 | 1001110100111111002 |
| Base 3 | 220112120223 | 220112122013 |
| Base 4 | 2131033014 | 2131033304 |
| Base 5 | 201230145 | 201230405 |
| Base 6 | 32412256 | 32412446 |
| Base 7 | 12402627 | 12403067 |
| Base 8 | 4723618 | 4723748 |
| Base 9 | 2647689 | 2647819 |
| Base 10 | 16100910 | 16102010 |
| Base 11 | aaa7211 | aaa8211 |
| Base 12 | 7921512 | 7922412 |
| Base 13 | 5839413 | 583a213 |
| Base 14 | 4296914 | 4297614 |
| Base 15 | 32a8e15 | 32a9a15 |
| Base 16 | 274f116 | 274fc16 |