Compare 19961 vs 20507
| Property | 19961 | 20507 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 199611 | 205071 |
| Prime factorization | 19961 | 20507 |
| Divisors count | 2 | 2 |
| Divisors | 1, 19961 | 1, 20507 |
| Number of properties | 5 | 4 |
| Chen primes | 1110th | 1139th |
| Good primes | 257th | |
| Primes | 2256th | 2314th |
| Pythagorean primes | 1122nd | |
| Safe primes | 194th | |
| Twin primes (1st member) | 341st | 349th |
| Roman numberals | ||
| Base 2 | 1001101111110012 | 1010000000110112 |
| Base 3 | 10001010223 | 10010101123 |
| Base 4 | 103133214 | 110001234 |
| Base 5 | 11143215 | 11240125 |
| Base 6 | 2322256 | 2345356 |
| Base 7 | 1121247 | 1135347 |
| Base 8 | 467718 | 500338 |
| Base 9 | 303389 | 311159 |
| Base 10 | 1996110 | 2050710 |
| Base 11 | 13aa711 | 1445311 |
| Base 12 | b67512 | ba4b12 |
| Base 13 | 911613 | 944613 |
| Base 14 | 73bb14 | 768b14 |
| Base 15 | 5dab15 | 612215 |
| Base 16 | 4df916 | 501b16 |