Compare 18959 vs 20507
| Property | 18959 | 20507 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 189591 | 205071 |
| Prime factorization | 18959 | 20507 |
| Divisors count | 2 | 2 |
| Divisors | 1, 18959 | 1, 20507 |
| Number of properties | 5 | 4 |
| Chen primes | 1069th | 1139th |
| Harmonic primes | 778th | |
| Isolated primes | 1503rd | |
| Primes | 2156th | 2314th |
| Safe primes | 186th | 194th |
| Twin primes (1st member) | 349th | |
| Roman numberals | ||
| Base 2 | 1001010000011112 | 1010000000110112 |
| Base 3 | 2220000123 | 10010101123 |
| Base 4 | 102200334 | 110001234 |
| Base 5 | 11013145 | 11240125 |
| Base 6 | 2234356 | 2345356 |
| Base 7 | 1061637 | 1135347 |
| Base 8 | 450178 | 500338 |
| Base 9 | 280059 | 311159 |
| Base 10 | 1895910 | 2050710 |
| Base 11 | 1327611 | 1445311 |
| Base 12 | ab7b12 | ba4b12 |
| Base 13 | 882513 | 944613 |
| Base 14 | 6ca314 | 768b14 |
| Base 15 | 593e15 | 612215 |
| Base 16 | 4a0f16 | 501b16 |