Compare 819991 vs 820129
| Property | 819991 | 820129 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 8199911 | 8201291 |
| Prime factorization | 819991 | 820129 |
| Divisors count | 2 | 2 |
| Divisors | 1, 819991 | 1, 820129 |
| Number of properties | 3 | 3 |
| Additive primes | 25280th | |
| Cousin primes (1st member) | 6926th | |
| Isolated primes | 51637th | |
| Primes | 65416th | 65424th |
| Twin primes (2nd member) | 6894th | |
| Roman numberals | ||
| Base 2 | 110010000011000101112 | 110010000011101000012 |
| Base 3 | 11121222110013 | 11122000000113 |
| Base 4 | 30200301134 | 30200322014 |
| Base 5 | 2022144315 | 2022210045 |
| Base 6 | 253241316 | 253245216 |
| Base 7 | 66534347 | 66540227 |
| Base 8 | 31014278 | 31016418 |
| Base 9 | 14787319 | 14800049 |
| Base 10 | 81999110 | 82012910 |
| Base 11 | 51008711 | 5101a211 |
| Base 12 | 33664712 | 33674112 |
| Base 13 | 22930313 | 2293ab13 |
| Base 14 | 174b8b14 | 174c4914 |
| Base 15 | 112e6115 | 11300415 |
| Base 16 | c831716 | c83a116 |