Compare 642427 vs 642683
| Property | 642427 | 642683 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6424271 | 6426831 |
| Prime factorization | 642427 | 642683 |
| Divisors count | 2 | 2 |
| Divisors | 1, 642427 | 1, 642683 |
| Number of properties | 2 | 5 |
| Additive primes | 20427th | |
| Isolated primes | 40951st | 40963rd |
| Left-truncatable primes | 540th | |
| Primes | 52252nd | 52266th |
| Safe primes | 3027th | |
| Roman numberals | ||
| Base 2 | 100111001101011110112 | 100111001110011110112 |
| Base 3 | 10121220201213 | 10121221210023 |
| Base 4 | 21303113234 | 21303213234 |
| Base 5 | 1310242025 | 1310312135 |
| Base 6 | 214341116 | 214352156 |
| Base 7 | 53136527 | 53144667 |
| Base 8 | 23465738 | 23471738 |
| Base 9 | 11782179 | 11785329 |
| Base 10 | 64242710 | 64268310 |
| Base 11 | 3a973511 | 3a994811 |
| Base 12 | 26b93712 | 26bb0b12 |
| Base 13 | 19654613 | 1966b213 |
| Base 14 | 12a19914 | 12a2dd14 |
| Base 15 | ca53715 | ca65815 |
| Base 16 | 9cd7b16 | 9ce7b16 |