Compare 19961 vs 20051
| Property | 19961 | 20051 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 199611 | 200511 |
| Prime factorization | 19961 | 20051 |
| Divisors count | 2 | 2 |
| Divisors | 1, 19961 | 1, 20051 |
| Number of properties | 5 | 6 |
| Chen primes | 1110th | 1114th |
| Cousin primes (2nd member) | 345th | |
| Good primes | 257th | |
| Harmonic primes | 823rd | |
| Isolated primes | 1583rd | |
| Long primes | 867th | |
| Primes | 2256th | 2268th |
| Pythagorean primes | 1122nd | |
| Twin primes (1st member) | 341st | |
| Roman numberals | ||
| Base 2 | 1001101111110012 | 1001110010100112 |
| Base 3 | 10001010223 | 10001111223 |
| Base 4 | 103133214 | 103211034 |
| Base 5 | 11143215 | 11202015 |
| Base 6 | 2322256 | 2324556 |
| Base 7 | 1121247 | 1123137 |
| Base 8 | 467718 | 471238 |
| Base 9 | 303389 | 304489 |
| Base 10 | 1996110 | 2005110 |
| Base 11 | 13aa711 | 1407911 |
| Base 12 | b67512 | b72b12 |
| Base 13 | 911613 | 918513 |
| Base 14 | 73bb14 | 744314 |
| Base 15 | 5dab15 | 5e1b15 |
| Base 16 | 4df916 | 4e5316 |