Compare 19963 vs 20639
| Property | 19963 | 20639 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 199631 | 206391 |
| Prime factorization | 19963 | 20639 |
| Divisors count | 2 | 2 |
| Divisors | 1, 19963 | 1, 20639 |
| Number of properties | 5 | 4 |
| Chen primes | 1143rd | |
| Happy primes | 375th | 384th |
| Harmonic primes | 818th | |
| Lucky primes | 366th | |
| Primes | 2257th | 2326th |
| Twin primes (1st member) | 351st | |
| Twin primes (2nd member) | 341st | |
| Roman numberals | ||
| Base 2 | 1001101111110112 | 1010000100111112 |
| Base 3 | 10001011013 | 10010221023 |
| Base 4 | 103133234 | 110021334 |
| Base 5 | 11143235 | 11300245 |
| Base 6 | 2322316 | 2353156 |
| Base 7 | 1121267 | 1141137 |
| Base 8 | 467738 | 502378 |
| Base 9 | 303419 | 312729 |
| Base 10 | 1996310 | 2063910 |
| Base 11 | 13aa911 | 1456311 |
| Base 12 | b67712 | bb3b12 |
| Base 13 | 911813 | 951813 |
| Base 14 | 73bd14 | 774314 |
| Base 15 | 5dad15 | 61ae15 |
| Base 16 | 4dfb16 | 509f16 |