Compare 19961 vs 21377
| Property | 19961 | 21377 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 199611 | 213771 |
| Prime factorization | 19961 | 21377 |
| Divisors count | 2 | 2 |
| Divisors | 1, 19961 | 1, 21377 |
| Number of properties | 5 | 8 |
| Chen primes | 1110th | 1177th |
| Good primes | 257th | 268th |
| Long primes | 909th | |
| Primes | 2256th | 2398th |
| Prime triplets (1st member) | 181st | |
| Pythagorean primes | 1122nd | 1190th |
| Sexy primes (1st member) | 728th | |
| Twin primes (1st member) | 341st | 363rd |
| Roman numberals | ||
| Base 2 | 1001101111110012 | 1010011100000012 |
| Base 3 | 10001010223 | 10020222023 |
| Base 4 | 103133214 | 110320014 |
| Base 5 | 11143215 | 11410025 |
| Base 6 | 2322256 | 2425456 |
| Base 7 | 1121247 | 1162167 |
| Base 8 | 467718 | 516018 |
| Base 9 | 303389 | 322829 |
| Base 10 | 1996110 | 2137710 |
| Base 11 | 13aa711 | 1507411 |
| Base 12 | b67512 | 1045512 |
| Base 13 | 911613 | 996513 |
| Base 14 | 73bb14 | 7b0d14 |
| Base 15 | 5dab15 | 650215 |
| Base 16 | 4df916 | 538116 |