Compare 20507 vs 20513
Property | 20507 | 20513 |
---|---|---|
Type | prime | semiprime |
Unique factors | 1 | 2 |
Total factors | 1 | 2 |
Prime factorization | 205071 | 731 × 2811 |
Prime factorization | 20507 | 73 × 281 |
Divisors count | 2 | 4 |
Divisors | 1, 20507 | 1, 73, 281, 20513 |
Number of properties | 4 | 1 |
Chen primes | 1139th | |
Primes | 2314th | |
Safe primes | 194th | |
Semiprimes | 5206th | |
Twin primes (1st member) | 349th | |
Roman numberals | ||
Base 2 | 1010000000110112 | 1010000001000012 |
Base 3 | 10010101123 | 10010102023 |
Base 4 | 110001234 | 110002014 |
Base 5 | 11240125 | 11240235 |
Base 6 | 2345356 | 2345456 |
Base 7 | 1135347 | 1135437 |
Base 8 | 500338 | 500418 |
Base 9 | 311159 | 311229 |
Base 10 | 2050710 | 2051310 |
Base 11 | 1445311 | 1445911 |
Base 12 | ba4b12 | ba5512 |
Base 13 | 944613 | 944c13 |
Base 14 | 768b14 | 769314 |
Base 15 | 612215 | 612815 |
Base 16 | 501b16 | 502116 |