Compare 19961 vs 20549
| Property | 19961 | 20549 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 199611 | 205491 |
| Prime factorization | 19961 | 20549 |
| Divisors count | 2 | 2 |
| Divisors | 1, 19961 | 1, 20549 |
| Number of properties | 5 | 7 |
| Chen primes | 1110th | 1141st |
| Good primes | 257th | |
| Harmonic primes | 846th | |
| Long primes | 884th | |
| Primes | 2256th | 2319th |
| Pythagorean primes | 1122nd | 1155th |
| Sexy primes (2nd member) | 707th | |
| Twin primes (1st member) | 341st | 350th |
| Roman numberals | ||
| Base 2 | 1001101111110012 | 1010000010001012 |
| Base 3 | 10001010223 | 10010120023 |
| Base 4 | 103133214 | 110010114 |
| Base 5 | 11143215 | 11241445 |
| Base 6 | 2322256 | 2350456 |
| Base 7 | 1121247 | 1136247 |
| Base 8 | 467718 | 501058 |
| Base 9 | 303389 | 311629 |
| Base 10 | 1996110 | 2054910 |
| Base 11 | 13aa711 | 1449111 |
| Base 12 | b67512 | ba8512 |
| Base 13 | 911613 | 947913 |
| Base 14 | 73bb14 | 76bb14 |
| Base 15 | 5dab15 | 614e15 |
| Base 16 | 4df916 | 504516 |