List questions from totient-function

Published on 03 Apr 2016 - 15:25

92

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Perfect numbers of the form $12m+1$ and $\sum_{d\mid n}\frac{1}{\phi(d)}$, where $\phi(m)$ is Euler's totient function

Published on 26 Mar 2026 - 22:16

44

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$-1$ element in $\mathbb{Z}_n^$, where $n$ is such that $\mathbb{Z}_n^$ has a primitive root

Published on 29 Mar 2026 - 14:57

165

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How to show that $\varphi(m_1)=\varphi(m_2)$ gives $m_1=m_2$?

Published on 07 Apr 2016 - 5:51

136

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Euler's $\phi(n)$ function and solutions of $\phi(n) = 4294967296=2^{32}$

Published on 08 Apr 2016 - 11:48

6k

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inclusion-exclusion principle - challenging problem

Published on 09 Apr 2016 - 13:02

187

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Textbook's reference - Euler Totient's function (proof/derivation by the use of inclusion-exclusion princple)

Published on 09 Apr 2016 - 13:37

198

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A difficult question about Runge-Kutta method and Euler's method

Published on 26 Mar 2026 - 14:17

1.1k

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Limit of Euler's Totient function

Published on 14 Apr 2016 - 5:50

504

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A combinatorial proof of an identity involving Euler’s $ \phi $-function.

Published on 29 Mar 2026 - 2:29

74

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Finding Large Bases with Large Exponents

Published on 17 Apr 2016 - 17:28

418

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If $\varphi(x) = m$ has exactly two solutions is it possible that both solutions are even?

Published on 21 Apr 2016 - 22:11

85

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Calculate Euler inverse function

Published on 26 Apr 2016 - 14:39

64

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How to prove that if the sum of the totatives of two numbers is equal then the numbers are equal?

Published on 28 Apr 2016 - 21:30

134

Views

How do I find all n values for which the equation $\phi (n) = 8$ holds?

Published on 29 Apr 2016 - 12:39

List Question

Primitive Root modulo n n=98

Perfect numbers of the form $12m+1$ and $\sum_{d\mid n}\frac{1}{\phi(d)}$, where $\phi(m)$ is Euler's totient function

$-1$ element in $\mathbb{Z}_n^$, where $n$ is such that $\mathbb{Z}_n^$ has a primitive root

How to show that $\varphi(m_1)=\varphi(m_2)$ gives $m_1=m_2$?

Euler's $\phi(n)$ function and solutions of $\phi(n) = 4294967296=2^{32}$

inclusion-exclusion principle - challenging problem

Textbook's reference - Euler Totient's function (proof/derivation by the use of inclusion-exclusion princple)

A difficult question about Runge-Kutta method and Euler's method

Limit of Euler's Totient function

A combinatorial proof of an identity involving Euler’s $ \phi $-function.

Finding Large Bases with Large Exponents

If $\varphi(x) = m$ has exactly two solutions is it possible that both solutions are even?

Calculate Euler inverse function

How to prove that if the sum of the totatives of two numbers is equal then the numbers are equal?

How do I find all n values for which the equation $\phi (n) = 8$ holds?

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