Ian
Reputation
3,780
Top tag
Next privilege 5,000 Rep.
Approve tag wiki edits
1 16 47
Impact
~42k people reached

 16 Is this of any real importance to the mathematical scientific community? 16 Is $\sqrt[3]{p+q\sqrt{3}}+\sqrt[3]{p-q\sqrt{3}}=n$, $(p,q,n)\in\mathbb{N} ^3$ solvable? 14 Find all positive integers $n$ s.t. $3^n + 5^n$ is divisible by $n^2 - 1$ 13 Solve $x^2 + 8 = 3^n$, where $x\in\mathbb N$. 12 How to either prove or disprove if it is possible to arrange a series of numbers such the sum of any two adjacent number adds up to a prime number

### Reputation (3,780)

This user has no recent positive reputation changes

### Questions (26)

 99 Does a “cubic” matrix exist? 34 Is there any geometric way to characterize $e$? 20 Mystery about $\sum_{n\geqslant 1}2^{-n!}$ 17 Rigorous proof that $\displaystyle\frac{1}{3} = 0.333\ldots$ 16 Evaluating $\sum_{k=1}^{\infty}\frac{\sin\left(k\theta\right)}{k^{2u+1}}$ with multiple integrals

### Tags (91)

 44 calculus × 18 20 sequences-and-series × 15 36 algebra-precalculus × 16 18 summation × 9 29 diophantine-equations × 2 16 harmonic-numbers × 2 27 elementary-number-theory × 11 15 inequality × 3 25 number-theory × 12 14 trigonometry × 6

### Accounts (5)

 Mathematics 3,780 rep 11647 Area 51 201 rep 4 Biology 133 rep 14 Stack Overflow em Português 101 rep 2 History of Science and Mathematics 101 rep 2