Compare 18959 vs 19009
| Property | 18959 | 19009 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 189591 | 190091 |
| Prime factorization | 18959 | 19009 |
| Divisors count | 2 | 2 |
| Divisors | 1, 18959 | 1, 19009 |
| Number of properties | 5 | 7 |
| Additive primes | 1009th | |
| Chen primes | 1069th | 1071st |
| Cousin primes (1st member) | 336th | |
| Harmonic primes | 778th | |
| Isolated primes | 1503rd | 1507th |
| Lucky primes | 352nd | |
| Primes | 2156th | 2160th |
| Pythagorean primes | 1070th | |
| Safe primes | 186th | |
| Roman numberals | ||
| Base 2 | 1001010000011112 | 1001010010000012 |
| Base 3 | 2220000123 | 2220020013 |
| Base 4 | 102200334 | 102210014 |
| Base 5 | 11013145 | 11020145 |
| Base 6 | 2234356 | 2240016 |
| Base 7 | 1061637 | 1062647 |
| Base 8 | 450178 | 451018 |
| Base 9 | 280059 | 280619 |
| Base 10 | 1895910 | 1900910 |
| Base 11 | 1327611 | 1331111 |
| Base 12 | ab7b12 | b00112 |
| Base 13 | 882513 | 886313 |
| Base 14 | 6ca314 | 6cdb14 |
| Base 15 | 593e15 | 597415 |
| Base 16 | 4a0f16 | 4a4116 |