Compare 19955 vs 19961
| Property | 19955 | 19961 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 51 × 131 × 3071 | 199611 |
| Prime factorization | 5 × 13 × 307 | 19961 |
| Divisors count | 8 | 2 |
| Divisors | 1, 5, 13, 65, 307, 1535, 3991, 19955 | 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 | 1001101111100112 | 1001101111110012 |
| Base 3 | 10001010023 | 10001010223 |
| Base 4 | 103133034 | 103133214 |
| Base 5 | 11143105 | 11143215 |
| Base 6 | 2322156 | 2322256 |
| Base 7 | 1121157 | 1121247 |
| Base 8 | 467638 | 467718 |
| Base 9 | 303329 | 303389 |
| Base 10 | 1995510 | 1996110 |
| Base 11 | 13aa111 | 13aa711 |
| Base 12 | b66b12 | b67512 |
| Base 13 | 911013 | 911613 |
| Base 14 | 73b514 | 73bb14 |
| Base 15 | 5da515 | 5dab15 |
| Base 16 | 4df316 | 4df916 |