Compare 20507 vs 20518
| Property | 20507 | 20518 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 205071 | 21 × 102591 |
| Prime factorization | 20507 | 2 × 10259 |
| Divisors count | 2 | 4 |
| Divisors | 1, 20507 | 1, 2, 10259, 20518 |
| Number of properties | 4 | 1 |
| Chen primes | 1139th | |
| Primes | 2314th | |
| Safe primes | 194th | |
| Semiprimes | 5207th | |
| Twin primes (1st member) | 349th | |
| Roman numberals | ||
| Base 2 | 1010000000110112 | 1010000001001102 |
| Base 3 | 10010101123 | 10010102213 |
| Base 4 | 110001234 | 110002124 |
| Base 5 | 11240125 | 11240335 |
| Base 6 | 2345356 | 2345546 |
| Base 7 | 1135347 | 1135517 |
| Base 8 | 500338 | 500468 |
| Base 9 | 311159 | 311279 |
| Base 10 | 2050710 | 2051810 |
| Base 11 | 1445311 | 1446311 |
| Base 12 | ba4b12 | ba5a12 |
| Base 13 | 944613 | 945413 |
| Base 14 | 768b14 | 769814 |
| Base 15 | 612215 | 612d15 |
| Base 16 | 501b16 | 502616 |