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15
Math.TechQA.Club
2026-04-15 14:07:52
250
Views
For integer $n>1$, can $\sum_{k=1}^{n}\sqrt{k}$ be a rational number? Can it be an integer?
Published on
15 Apr 2026 - 14:07
#elementary-number-theory
#summation
#radicals
#irrational-numbers
#rational-numbers
619
Views
Prove golden ratio is irrational
Published on
11 May 2026 - 5:17
#real-analysis
#abstract-algebra
#irrational-numbers
#golden-ratio
107
Views
What is an example of a covering of the set of irrational numbers in the interval $[0,1]$, with a total length of $1$?
Published on
10 May 2026 - 20:03
#measure-theory
#lebesgue-measure
#irrational-numbers
#measurable-sets
626
Views
Irrational Numbers and ways to represent all of them
Published on
12 Apr 2026 - 12:36
#irrational-numbers
134
Views
When can the equality be satisfied?
Published on
13 Apr 2026 - 21:52
#number-theory
#elementary-number-theory
#irrational-numbers
205
Views
Is the sum $\sum_{n=1}^{\infty}\frac{1}{1+n^2}$ irrational?
Published on
13 Apr 2026 - 21:37
#irrational-numbers
38
Views
Stuck on a prime addition proof. By way of contradiction.
Published on
11 Apr 2026 - 23:37
#proof-writing
#proof-explanation
#irrational-numbers
70
Views
Can the product of two different* and non-reciprocal* irrational numbers be rational?
Published on
11 Apr 2026 - 11:16
#elementary-number-theory
#irrational-numbers
162
Views
Is $3^{\log_{10}(3)}$ irrational?
Published on
10 May 2026 - 19:02
#number-theory
#irrational-numbers
#diophantine-approximation
93
Views
$n^\pi$ and $n^e$ for positive integer $n\ge2$
Published on
11 May 2026 - 2:59
#number-theory
#reference-request
#irrational-numbers
#transcendental-numbers
101
Views
Can the b-ary power series of an irrational number evaluate to a rational number?
Published on
10 May 2026 - 15:48
#number-theory
#power-series
#irrational-numbers
#decimal-expansion
#rationality-testing
298
Views
problem understanding Lagrange's continued fraction theorem
Published on
11 May 2026 - 9:59
#quadratics
#irrational-numbers
#continued-fractions
104
Views
Prove that $\sqrt[3]{2} + \sqrt{2}$ is irrational
Published on
14 Apr 2026 - 17:33
#analysis
#irrational-numbers
73
Views
How to prove it: $(-1)^{i\pi}$ is irrational?
Published on
12 Apr 2026 - 15:03
#complex-numbers
#irrational-numbers
1.6k
Views
Justify that $\tan 1^\circ$ is an irrational number
Published on
14 May 2026 - 5:09
#number-theory
#trigonometry
#irrational-numbers
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