Last digit on $3^{100}$
54441
Last two digits of $3^{400}$
61555
Rounding up to next power of 2
110331
How to match exponent that might be 1?
100795
Limiting double to 3 decimal places
36182
Why doesn't the last digit method work for divisibility by 4?
139442
How can i count number of digits in tetrated numbers?
46158
A positive integer is divisible by $3$ iff 3 divides the sum of its digits
49626
Find the last two digits of $33^{100}$
107742
Insert $+$, $-$, $\times$, $/$, $($, $)$ into $123456789$ to make it equal to $100$
142151
Find the last two digits of $9^{{9}^{9}}$
73307
Why is the last digit of $n^5$ equal to the last digit of $n$?
90381
Concecutive last zeroes in expansion of $100!$
102305
How can I round up numbers to the next half-integer?
84433
Expression generating $\left( \frac{3}{10}, \, \frac{3}{10} + \frac{33}{100}, \, \frac{3}{10} + \frac{33}{100} + \frac{333}{1000}, \dots \right)$
14073
Is there a way to determine how many digits a power of 2 will contain?
142135
A number with 6 distinct digits which get multiplied by 5 if we move the last digit to front
109640
How do i find $(1+i)^{100}?$