Compare 19919 vs 19961
| Property | 19919 | 19961 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 199191 | 199611 |
| Prime factorization | 19919 | 19961 |
| Divisors count | 2 | 2 |
| Divisors | 1, 19919 | 1, 19961 |
| Number of properties | 7 | 5 |
| Additive primes | 1046th | |
| Chen primes | 1107th | 1110th |
| Good primes | 257th | |
| Harmonic primes | 816th | |
| Isolated primes | 1573rd | |
| Primes | 2252nd | 2256th |
| Pythagorean primes | 1122nd | |
| Sexy primes (2nd member) | 691st | |
| Sophie germain primes | 325th | |
| Twin primes (1st member) | 341st | |
| Roman numberals | ||
| Base 2 | 1001101110011112 | 1001101111110012 |
| Base 3 | 10000222023 | 10001010223 |
| Base 4 | 103130334 | 103133214 |
| Base 5 | 11141345 | 11143215 |
| Base 6 | 2321156 | 2322256 |
| Base 7 | 1120347 | 1121247 |
| Base 8 | 467178 | 467718 |
| Base 9 | 302829 | 303389 |
| Base 10 | 1991910 | 1996110 |
| Base 11 | 13a6911 | 13aa711 |
| Base 12 | b63b12 | b67512 |
| Base 13 | 90b313 | 911613 |
| Base 14 | 738b14 | 73bb14 |
| Base 15 | 5d7e15 | 5dab15 |
| Base 16 | 4dcf16 | 4df916 |