Compare 215797 vs 215809
| Property | 215797 | 215809 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 2157971 | 111 × 231 × 8531 |
| Prime factorization | 215797 | 11 × 23 × 853 |
| Divisors count | 2 | 8 |
| Divisors | 1, 215797 | 1, 11, 23, 253, 853, 9383, 19619, 215809 |
| Number of properties | 6 | 0 |
| Additive primes | 7802nd | |
| Chen primes | 8038th | |
| Cousin primes (1st member) | 2280th | |
| Isolated primes | 14689th | |
| Primes | 19270th | |
| Pythagorean primes | 9614th | |
| Roman numberals | ||
| Base 2 | 1101001010111101012 | 1101001011000000012 |
| Base 3 | 1012220001113 | 1012220002213 |
| Base 4 | 3102233114 | 3102300014 |
| Base 5 | 234011425 | 234012145 |
| Base 6 | 43430216 | 43430416 |
| Base 7 | 15561017 | 15561167 |
| Base 8 | 6453658 | 6454018 |
| Base 9 | 3580149 | 3580279 |
| Base 10 | 21579710 | 21580910 |
| Base 11 | 13814a11 | 13816011 |
| Base 12 | a4a7112 | a4a8112 |
| Base 13 | 772ba13 | 772c913 |
| Base 14 | 5890114 | 5890d14 |
| Base 15 | 43e1715 | 43e2415 |
| Base 16 | 34af516 | 34b0116 |