Compare 19961 vs 20897
| Property | 19961 | 20897 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 199611 | 208971 |
| Prime factorization | 19961 | 20897 |
| Divisors count | 2 | 2 |
| Divisors | 1, 19961 | 1, 20897 |
| Number of properties | 5 | 9 |
| Chen primes | 1110th | 1156th |
| Good primes | 257th | 264th |
| Harmonic primes | 861st | |
| Long primes | 893rd | |
| Primes | 2256th | 2350th |
| Prime triplets (1st member) | 174th | |
| Pythagorean primes | 1122nd | 1169th |
| Sexy primes (1st member) | 713th | |
| Twin primes (1st member) | 341st | 356th |
| Roman numberals | ||
| Base 2 | 1001101111110012 | 1010001101000012 |
| Base 3 | 10001010223 | 10011222223 |
| Base 4 | 103133214 | 110122014 |
| Base 5 | 11143215 | 11320425 |
| Base 6 | 2322256 | 2404256 |
| Base 7 | 1121247 | 1146327 |
| Base 8 | 467718 | 506418 |
| Base 9 | 303389 | 315889 |
| Base 10 | 1996110 | 2089710 |
| Base 11 | 13aa711 | 1477811 |
| Base 12 | b67512 | 1011512 |
| Base 13 | 911613 | 968613 |
| Base 14 | 73bb14 | 788914 |
| Base 15 | 5dab15 | 62d215 |
| Base 16 | 4df916 | 51a116 |