Compare 519989 vs 520409
| Property | 519989 | 520409 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 5199891 | 5204091 |
| Prime factorization | 519989 | 520409 |
| Divisors count | 2 | 2 |
| Divisors | 1, 519989 | 1, 520409 |
| Number of properties | 5 | 3 |
| Additive primes | 16906th | |
| Chen primes | 17056th | 17068th |
| Isolated primes | 33637th | |
| Primes | 43060th | 43092nd |
| Sophie germain primes | 4466th | |
| Twin primes (1st member) | 4717th | |
| Roman numberals | ||
| Base 2 | 11111101111001101012 | 11111110000110110012 |
| Base 3 | 2221020212123 | 2221022121023 |
| Base 4 | 13323303114 | 13330031214 |
| Base 5 | 1131144245 | 1131231145 |
| Base 6 | 150512056 | 150531456 |
| Base 7 | 42640017 | 42651417 |
| Base 8 | 17674658 | 17703318 |
| Base 9 | 8722559 | 8727729 |
| Base 10 | 51998910 | 52040910 |
| Base 11 | 32574811 | 325a9a11 |
| Base 12 | 210b0512 | 2111b512 |
| Base 13 | 1528b213 | 152b4613 |
| Base 14 | d770114 | d792114 |
| Base 15 | a410e15 | a42de15 |
| Base 16 | 7ef3516 | 7f0d916 |