Last three digits of $6^{2002}$
95217
Find The Last 3 digits of the number $2003^{2002^{2001}}$
47044
Distribution of the digits of Pi
103493
Find the $1000$th digit after the decimal point of $\sqrt{n},$ where $n=\underbrace{11\dots1}_{1998 \text{ 1's}}$
16697
Fermat Last Theorem for non Integer Exponents
853
Write down the sum of sum of  sum of digits of $4444^{4444}$
109055
Round number up to the nearest multiple of 3
72223
Last non Zero digit of a Factorial
143620
How many $n$-digit decimal sequences (using the digits $0 = 9$) are there in which the digits $1$, $2$ and $3$ all appear?
80327
Last digits, numbers
36182
Why doesn't the last digit method work for divisibility by 4?
12760
The last 2 digits of $7^{7^{7^7}}$
61555
Rounding up to next power of 2
131202
The precision of the number
111962
Do the last digits of powers of a number $n$ follow the same cycle as the last digits of the number $n$'s last digit's powers?
90381
Concecutive last zeroes in expansion of $100!$
108238
Find the smallest integer $n$ greater than $1$ such that the last $3$ digits of $n^2$ are the same as the last $3$ digits of $n$.
49987
Gets last digit of a number