Compare 638023 vs 640249
| Property | 638023 | 640249 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6380231 | 6402491 |
| Prime factorization | 638023 | 640249 |
| Divisors count | 2 | 2 |
| Divisors | 1, 638023 | 1, 640249 |
| Number of properties | 4 | 3 |
| Isolated primes | 40703rd | |
| Lucky primes | 5963rd | |
| Primes | 51944th | 52098th |
| Twin primes (2nd member) | 5635th | |
| Ulam primes | 3807th | 3819th |
| Roman numberals | ||
| Base 2 | 100110111100010001112 | 100111000100111110012 |
| Base 3 | 10121020121113 | 10121120202213 |
| Base 4 | 21233010134 | 21301033214 |
| Base 5 | 1304040435 | 1304414445 |
| Base 6 | 214014516 | 214200416 |
| Base 7 | 52650617 | 53044217 |
| Base 8 | 23361078 | 23423718 |
| Base 9 | 11721749 | 11752279 |
| Base 10 | 63802310 | 64024910 |
| Base 11 | 3a63a111 | 3a803511 |
| Base 12 | 26928712 | 26a62112 |
| Base 13 | 19453913 | 19555c13 |
| Base 14 | 12873114 | 12948114 |
| Base 15 | c909d15 | c9a8415 |
| Base 16 | 9bc4716 | 9c4f916 |