Least significant
Puzzles
- factorialWhat is the least significant non-zero digit in the decimal expansion of n!?
- factorial.twoWhat are the last two digits of x! New
- googolplex.powerIf a googol is 10^100 and a googolplex is 10^googol, what is the digit immediately preceding the last... New
- power.of.twoIf G is any integer greater than 1, show that the final digits of 2^(10^G + G + 1) are the same as all the... New, unsolved
- tower.of.powerWhat are the least significant digits of 9^(8^(7^(6^(5^(4^(3^(2^1))))))) ?