Compare 520445 vs 520447
| Property | 520445 | 520447 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 51 × 1040891 | 5204471 |
| Prime factorization | 5 × 104089 | 520447 |
| Divisors count | 4 | 2 |
| Divisors | 1, 5, 104089, 520445 | 1, 520447 |
| Number of properties | 1 | 5 |
| Chen primes | 17070th | |
| Cousin primes (1st member) | 4715th | |
| Isolated primes | 33664th | |
| Lucky primes | 5034th | |
| Primes | 43097th | |
| Semiprimes | 112511th | |
| Roman numberals | ||
| Base 2 | 11111110000111111012 | 11111110000111111112 |
| Base 3 | 2221022202023 | 2221022202113 |
| Base 4 | 13330033314 | 13330033334 |
| Base 5 | 1131232405 | 1131232425 |
| Base 6 | 150532456 | 150532516 |
| Base 7 | 42652227 | 42652247 |
| Base 8 | 17703758 | 17703778 |
| Base 9 | 8728229 | 8728249 |
| Base 10 | 52044510 | 52044710 |
| Base 11 | 32602211 | 32602411 |
| Base 12 | 21122512 | 21122712 |
| Base 13 | 152b7313 | 152b7513 |
| Base 14 | d794914 | d794b14 |
| Base 15 | a431515 | a431715 |
| Base 16 | 7f0fd16 | 7f0ff16 |