Compare 639853 vs 640219
| Property | 639853 | 640219 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6398531 | 6402191 |
| Prime factorization | 639853 | 640219 |
| Divisors count | 2 | 2 |
| Divisors | 1, 639853 | 1, 640219 |
| Number of properties | 4 | 4 |
| Chen primes | 20386th | |
| Cousin primes (1st member) | 5629th | 5633rd |
| Isolated primes | 40828th | |
| Primes | 52065th | 52093rd |
| Prime triplets (2nd member) | 2062nd | |
| Twin primes (2nd member) | 5631st | |
| Roman numberals | ||
| Base 2 | 100111000011011011012 | 100111000100110110112 |
| Base 3 | 10121112010213 | 10121120122113 |
| Base 4 | 21300312314 | 21301031234 |
| Base 5 | 1304334035 | 1304413345 |
| Base 6 | 214141416 | 214155516 |
| Base 7 | 53033147 | 53043467 |
| Base 8 | 23415558 | 23423338 |
| Base 9 | 11746379 | 11751849 |
| Base 10 | 63985310 | 64021910 |
| Base 11 | 3a780511 | 3a800811 |
| Base 12 | 26a35112 | 26a5b712 |
| Base 13 | 19531613 | 19553813 |
| Base 14 | 12927b14 | 12945d14 |
| Base 15 | c98bd15 | c9a6415 |
| Base 16 | 9c36d16 | 9c4db16 |