Compare 19957 vs 19963
| Property | 19957 | 19963 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 71 × 28511 | 199631 |
| Prime factorization | 7 × 2851 | 19963 |
| Divisors count | 4 | 2 |
| Divisors | 1, 7, 2851, 19957 | 1, 19963 |
| Number of properties | 1 | 5 |
| Happy primes | 375th | |
| Harmonic primes | 818th | |
| Lucky primes | 366th | |
| Primes | 2257th | |
| Semiprimes | 5075th | |
| Twin primes (2nd member) | 341st | |
| Roman numberals | ||
| Base 2 | 1001101111101012 | 1001101111110112 |
| Base 3 | 10001010113 | 10001011013 |
| Base 4 | 103133114 | 103133234 |
| Base 5 | 11143125 | 11143235 |
| Base 6 | 2322216 | 2322316 |
| Base 7 | 1121207 | 1121267 |
| Base 8 | 467658 | 467738 |
| Base 9 | 303349 | 303419 |
| Base 10 | 1995710 | 1996310 |
| Base 11 | 13aa311 | 13aa911 |
| Base 12 | b67112 | b67712 |
| Base 13 | 911213 | 911813 |
| Base 14 | 73b714 | 73bd14 |
| Base 15 | 5da715 | 5dad15 |
| Base 16 | 4df516 | 4dfb16 |