Compare 19958 vs 19961
| Property | 19958 | 19961 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 171 × 5871 | 199611 |
| Prime factorization | 2 × 17 × 587 | 19961 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 17, 34, 587, 1174, 9979, 19958 | 1, 19961 |
| Number of properties | 0 | 5 |
| Chen primes | 1110th | |
| Good primes | 257th | |
| Primes | 2256th | |
| Pythagorean primes | 1122nd | |
| Twin primes (1st member) | 341st | |
| Roman numberals | ||
| Base 2 | 1001101111101102 | 1001101111110012 |
| Base 3 | 10001010123 | 10001010223 |
| Base 4 | 103133124 | 103133214 |
| Base 5 | 11143135 | 11143215 |
| Base 6 | 2322226 | 2322256 |
| Base 7 | 1121217 | 1121247 |
| Base 8 | 467668 | 467718 |
| Base 9 | 303359 | 303389 |
| Base 10 | 1995810 | 1996110 |
| Base 11 | 13aa411 | 13aa711 |
| Base 12 | b67212 | b67512 |
| Base 13 | 911313 | 911613 |
| Base 14 | 73b814 | 73bb14 |
| Base 15 | 5da815 | 5dab15 |
| Base 16 | 4df616 | 4df916 |