Compare 639433 vs 640249
| Property | 639433 | 640249 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6394331 | 6402491 |
| Prime factorization | 639433 | 640249 |
| Divisors count | 2 | 2 |
| Divisors | 1, 639433 | 1, 640249 |
| Number of properties | 5 | 3 |
| Good primes | 1981st | |
| Isolated primes | 40780th | |
| Primes | 52031st | 52098th |
| Sexy primes (1st member) | 11275th | |
| Twin primes (2nd member) | 5635th | |
| Ulam primes | 3814th | 3819th |
| Roman numberals | ||
| Base 2 | 100111000001110010012 | 100111000100111110012 |
| Base 3 | 10121110102013 | 10121120202213 |
| Base 4 | 21300130214 | 21301033214 |
| Base 5 | 1304302135 | 1304414445 |
| Base 6 | 214122016 | 214200416 |
| Base 7 | 53021447 | 53044217 |
| Base 8 | 23407118 | 23423718 |
| Base 9 | 11741219 | 11752279 |
| Base 10 | 63943310 | 64024910 |
| Base 11 | 3a746311 | 3a803511 |
| Base 12 | 26a06112 | 26a62112 |
| Base 13 | 19508213 | 19555c13 |
| Base 14 | 12905b14 | 12948114 |
| Base 15 | c96dd15 | c9a8415 |
| Base 16 | 9c1c916 | 9c4f916 |