Mathematics
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John Omielan
  • Member for 3 years, 7 months
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All Questions Answers
Score Newest
answer
95
Do most numbers have exactly $3$ prime factors?
Feb 12, 2020
answer
32
Finding the number of digits of a given integer.
Sep 12, 2019
answer
19
Is $\frac{1}{\alpha} \in \mathbb{Q}[\alpha]$ for irrational $\alpha$?
Dec 4, 2019
answer
15
Limit calculation using derivative
Jan 15, 2020
answer
13
How to compute $\lim\limits_{n\rightarrow \infty} \{(2+\sqrt{3})^{n}\}$, where $\{x\}$ is the fractional part of $x$?
May 16, 2020
answer
12
Max product of $20$ numbers with mean $12$ if $n$-th number is $\frac{n}2$ or $2n$?
Feb 5, 2019
answer
12
It is impossible for $(x-1)^2+x^2+(x+1)^2$ to be a perfect square
Jul 16, 2019
answer
12
Prove that there is no 333 consecutive prime numbers such that sum of their squares is also a square.
Oct 31, 2020
answer
12
Find all primes $m$ and $l$ such that $2m-1, 2l-1, 2ml-1$ are perfect squares
Jan 11
answer
11
Prove that if we decrease by 7 the sum of squares of any three natural numbers, then the result cannot be divisible by 8.
Mar 20, 2020
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Is there an appropriate stackexchange site related to speculative mathematics
16
Should we discourage full solutions to questions that explicitly ask for a hint?
9
There are several questions here which are basically from a current ($2021$-$2022$ round $1$) USAMTS math contest
6
Why can't I edit my own deleted (hidden) question?
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Some changes to the profile while we make it responsive
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A very recent post asking people to go "on strike" was just deleted
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Has there been any discussion regarding the original stated reasons for the question up votes being set at +5 from +10 earlier?
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The company’s commitment to rebuilding the relationship with you, our community
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