Compare 19961 vs 19969
| Property | 19961 | 19969 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 199611 | 191 × 10511 |
| Prime factorization | 19961 | 19 × 1051 |
| Divisors count | 2 | 4 |
| Divisors | 1, 19961 | 1, 19, 1051, 19969 |
| Number of properties | 5 | 1 |
| Chen primes | 1110th | |
| Good primes | 257th | |
| Primes | 2256th | |
| Pythagorean primes | 1122nd | |
| Semiprimes | 5078th | |
| Twin primes (1st member) | 341st | |
| Roman numberals | ||
| Base 2 | 1001101111110012 | 1001110000000012 |
| Base 3 | 10001010223 | 10001011213 |
| Base 4 | 103133214 | 103200014 |
| Base 5 | 11143215 | 11143345 |
| Base 6 | 2322256 | 2322416 |
| Base 7 | 1121247 | 1121357 |
| Base 8 | 467718 | 470018 |
| Base 9 | 303389 | 303479 |
| Base 10 | 1996110 | 1996910 |
| Base 11 | 13aa711 | 1400411 |
| Base 12 | b67512 | b68112 |
| Base 13 | 911613 | 912113 |
| Base 14 | 73bb14 | 73c514 |
| Base 15 | 5dab15 | 5db415 |
| Base 16 | 4df916 | 4e0116 |