List questions from totient-function

Published on 26 Oct 2016 - 16:38

892

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Help with proving that $\phi(n)$ $\ge$ ${\sqrt n} \over 2$

Published on 28 Oct 2016 - 18:17

144

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Seemingly contradicting proof for Euler's Totient Function

Published on 30 Oct 2016 - 22:24

84

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Does ($\frac{p-1}{2})$! satisty $x^2$ = 1modp?

Published on 31 Oct 2016 - 3:50

435

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Equivalence relation on the generators of cyclic group?

Published on 03 Nov 2016 - 18:25

141

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Sum of Powers of Euler's Totient Function.

Published on 04 Nov 2016 - 15:13

57

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Solve inequality with logarithms

Published on 15 Nov 2016 - 10:20

75

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Show that the set of numbers whose Euler function is less than a certain value has an upper bound

Published on 15 Nov 2016 - 20:17

195

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Has anyone seen this divisor function identity?

Published on 25 Mar 2026 - 20:34

177

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How many solutions do exist for $\varphi(n)=\pi(n), n\in\mathbb{N}$?

Published on 18 Nov 2016 - 9:49

97

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$\sum_{2n\le x}\phi(2n)$

Published on 19 Nov 2016 - 0:15

692

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Example on Euler Totient function

Published on 25 Mar 2026 - 15:24

197

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How to count the number of solutions for this expression modulo a prime number $p$?

Published on 22 Nov 2016 - 18:36

108

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If $m$ is an odd natural number, show that $m\mid 2^{\phi(m)}-1,$ where $\phi$ is the Euler totient function.

Published on 23 Nov 2016 - 17:09

197

Views

On a combination between an equivalence to the Riemann's Hypothesis and the abc conjecture

Published on 25 Mar 2026 - 10:57

List Question

Solve $\frac{1}{2} n \varphi(n) \bmod n$

Help with proving that $\phi(n)$ $\ge$ ${\sqrt n} \over 2$

Seemingly contradicting proof for Euler's Totient Function

Does ($\frac{p-1}{2})$! satisty $x^2$ = 1modp?

Equivalence relation on the generators of cyclic group?

Sum of Powers of Euler's Totient Function.

Solve inequality with logarithms

Show that the set of numbers whose Euler function is less than a certain value has an upper bound

Has anyone seen this divisor function identity?

How many solutions do exist for $\varphi(n)=\pi(n), n\in\mathbb{N}$?

$\sum_{2n\le x}\phi(2n)$

Example on Euler Totient function

How to count the number of solutions for this expression modulo a prime number $p$?

If $m$ is an odd natural number, show that $m\mid 2^{\phi(m)}-1,$ where $\phi$ is the Euler totient function.

On a combination between an equivalence to the Riemann's Hypothesis and the abc conjecture

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