Compare 19963 vs 19966
| Property | 19963 | 19966 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 199631 | 21 × 671 × 1491 |
| Prime factorization | 19963 | 2 × 67 × 149 |
| Divisors count | 2 | 8 |
| Divisors | 1, 19963 | 1, 2, 67, 134, 149, 298, 9983, 19966 |
| Number of properties | 5 | 0 |
| Happy primes | 375th | |
| Harmonic primes | 818th | |
| Lucky primes | 366th | |
| Primes | 2257th | |
| Twin primes (2nd member) | 341st | |
| Roman numberals | ||
| Base 2 | 1001101111110112 | 1001101111111102 |
| Base 3 | 10001011013 | 10001011113 |
| Base 4 | 103133234 | 103133324 |
| Base 5 | 11143235 | 11143315 |
| Base 6 | 2322316 | 2322346 |
| Base 7 | 1121267 | 1121327 |
| Base 8 | 467738 | 467768 |
| Base 9 | 303419 | 303449 |
| Base 10 | 1996310 | 1996610 |
| Base 11 | 13aa911 | 1400111 |
| Base 12 | b67712 | b67a12 |
| Base 13 | 911813 | 911b13 |
| Base 14 | 73bd14 | 73c214 |
| Base 15 | 5dad15 | 5db115 |
| Base 16 | 4dfb16 | 4dfe16 |