Compare 19819 vs 20161
| Property | 19819 | 20161 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 198191 | 201611 |
| Prime factorization | 19819 | 20161 |
| Divisors count | 2 | 2 |
| Divisors | 1, 19819 | 1, 20161 |
| Number of properties | 6 | 5 |
| Centered decagonal primes | 34th | |
| Chen primes | 1104th | |
| Isolated primes | 1568th | 1594th |
| Long primes | 860th | |
| Primes | 2243rd | 2281st |
| Pythagorean primes | 1134th | |
| Sexy primes (2nd member) | 689th | |
| Super primes | 334th | 339th |
| Roman numberals | ||
| Base 2 | 1001101011010112 | 1001110110000012 |
| Base 3 | 10000120013 | 10001222013 |
| Base 4 | 103112234 | 103230014 |
| Base 5 | 11132345 | 11211215 |
| Base 6 | 2314316 | 2332016 |
| Base 7 | 1115327 | 1125317 |
| Base 8 | 465538 | 473018 |
| Base 9 | 301619 | 305819 |
| Base 10 | 1981910 | 2016110 |
| Base 11 | 1398811 | 1416911 |
| Base 12 | b57712 | b80112 |
| Base 13 | 903713 | 923b13 |
| Base 14 | 731914 | 74c114 |
| Base 15 | 5d1415 | 5e9115 |
| Base 16 | 4d6b16 | 4ec116 |