Compare 638857 vs 640039
| Property | 638857 | 640039 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6388571 | 6400391 |
| Prime factorization | 638857 | 640039 |
| Divisors count | 2 | 2 |
| Divisors | 1, 638857 | 1, 640039 |
| Number of properties | 4 | 4 |
| Additive primes | 20323rd | |
| Cousin primes (1st member) | 5621st | 5632nd |
| Isolated primes | 40746th | 40816th |
| Lucky primes | 5979th | |
| Primes | 51993rd | 52079th |
| Roman numberals | ||
| Base 2 | 100110111111100010012 | 100111000100001001112 |
| Base 3 | 10121101001013 | 10121112220113 |
| Base 4 | 21233320214 | 21301002134 |
| Base 5 | 1304204125 | 1304401245 |
| Base 6 | 214054016 | 214150516 |
| Base 7 | 53003627 | 53040017 |
| Base 8 | 23376118 | 23420478 |
| Base 9 | 11733119 | 11748649 |
| Base 10 | 63885710 | 64003910 |
| Base 11 | 3a6a8a11 | 3a796411 |
| Base 12 | 26986112 | 26a48712 |
| Base 13 | 194a2b13 | 19542a13 |
| Base 14 | 128b6914 | 12937114 |
| Base 15 | c945715 | c999415 |
| Base 16 | 9bf8916 | 9c42716 |