Compare 19963 vs 20509
| Property | 19963 | 20509 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 199631 | 205091 |
| Prime factorization | 19963 | 20509 |
| Divisors count | 2 | 2 |
| Divisors | 1, 19963 | 1, 20509 |
| Number of properties | 5 | 5 |
| Happy primes | 375th | |
| Harmonic primes | 818th | |
| Long primes | 882nd | |
| Lucky primes | 366th | 375th |
| Primes | 2257th | 2315th |
| Pythagorean primes | 1152nd | |
| Twin primes (2nd member) | 341st | 349th |
| Roman numberals | ||
| Base 2 | 1001101111110112 | 1010000000111012 |
| Base 3 | 10001011013 | 10010101213 |
| Base 4 | 103133234 | 110001314 |
| Base 5 | 11143235 | 11240145 |
| Base 6 | 2322316 | 2345416 |
| Base 7 | 1121267 | 1135367 |
| Base 8 | 467738 | 500358 |
| Base 9 | 303419 | 311179 |
| Base 10 | 1996310 | 2050910 |
| Base 11 | 13aa911 | 1445511 |
| Base 12 | b67712 | ba5112 |
| Base 13 | 911813 | 944813 |
| Base 14 | 73bd14 | 768d14 |
| Base 15 | 5dad15 | 612415 |
| Base 16 | 4dfb16 | 501d16 |