Compare 9780 vs 9791
| Property | 9780 | 9791 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 5 | 1 |
| Prime factorization | 22 × 31 × 51 × 1631 | 97911 |
| Prime factorization | 2 × 2 × 3 × 5 × 163 | 9791 |
| Divisors count | 24 | 2 |
| Divisors | 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 163, 326, 489, 652, 815, 978, 1630, 1956, 2445, 3260, 4890, 9780 | 1, 9791 |
| Number of properties | 0 | 6 |
| Chen primes | 625th | |
| Cousin primes (2nd member) | 201st | |
| Emirps | 231st | |
| Isolated primes | 803rd | |
| Primes | 1208th | |
| Sophie germain primes | 190th | |
| Roman numberals | ||
| Base 2 | 100110001101002 | 100110001111112 |
| Base 3 | 1111020203 | 1111021223 |
| Base 4 | 21203104 | 21203334 |
| Base 5 | 3031105 | 3031315 |
| Base 6 | 1131406 | 1131556 |
| Base 7 | 403417 | 403557 |
| Base 8 | 230648 | 230778 |
| Base 9 | 143669 | 143789 |
| Base 10 | 978010 | 979110 |
| Base 11 | 739111 | 73a111 |
| Base 12 | 57b012 | 57bb12 |
| Base 13 | 45b413 | 45c213 |
| Base 14 | 37c814 | 37d514 |
| Base 15 | 2d7015 | 2d7b15 |
| Base 16 | 263416 | 263f16 |