Is there a positive integer $n$ such that $\lfloor 10^n\pi\rfloor$ is palindromic?
23705
Does $\pi$ contain all possible number combinations?
24557
How do I check if a number is a palindrome?
56985
Show that every positive integer has a unique representation in the form $50k+l$...?
5187
An analogue of Hensel's lifting for Fibonacci numbers
2786
The staircase paradox, or why $\pi\ne4$
132928
Digits of $\pi$ forming primes?
25883
Calculating $\Big\lfloor\underbrace{\sqrt{2017+\sqrt{2017+...+\sqrt{2017}}}}_\text{2017 roots}\Big\rfloor$
40973
How to find $\lfloor 1/\sqrt{1}+1/\sqrt{2}+\dots+1/\sqrt{100}\rfloor $ without a calculator?
27069
sum of all positive integers less than $n$ and relatively prime to $n$
71394
Prove the following floor function identity
5934
How to prove floor identities?
76828
Evaluating $\sum_{i = 0}^{\lfloor n/2 \rfloor} {n \choose 2i}p^{2i}(1 - p)^{n - 2i}$
143819
Supremum of $\sqrt{n} -\left\lfloor\sqrt{n}\right\rfloor $
138092
What is $\lfloor i\rfloor$?
40896
What is the largest positive $n$ for which $n^3+100$ is divisible by $n+10$
147079
$\gcd\left(\binom{n}{k},n\right)>1$ for nontrivial values?
101641
Induction with floor, ceiling $n\le2^k\implies a_n\le3\cdot k2^k+4\cdot2^k-1$ for $a_n=a_{\lfloor\frac{n}2\rfloor}+a_{\lceil\frac{n}2\rceil}+3n+1$