List questions from totient-function

Published on 30 Apr 2016 - 6:32

148

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Congruence $16^{(x^ 2+x+1)} \equiv 4 \mod 11$

Published on 29 Mar 2026 - 16:29

155

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Conjecture about odd primes

Published on 13 May 2016 - 16:09

1k

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On factoring and integer given the value of its Euler's totient function.

Published on 19 May 2016 - 6:49

3.4k

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Compute the Euler function $\phi(n)$ for $n = 360$ as well as the number of divisors $d(n)$.

Published on 26 Mar 2026 - 4:34

56

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If $\gcd(a,x)=1$ and $a|x^n-1$, then $n|\varphi(a)$?

Published on 30 May 2016 - 10:34

67

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Find the order of $U_{2n}$

Published on 30 May 2016 - 16:40

754

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A multiplicative property of the Euler totient function $\phi$

Published on 25 Mar 2026 - 21:30

60

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Prove that for any positive integer $t$, there exists a positive integer $n$ such that the base $10$ representation of $\phi(n)$ ends with $t$ zeros.

Published on 01 Jun 2016 - 3:45

1.5k

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Relation between $\gcd$ and Euler's totient function .

Published on 01 Jun 2016 - 3:53

144

Views

Counting the number of integers in a reduced residue system congruent to some integer modulo a prime

Published on 08 Jun 2016 - 6:02

253

Views

Number of solutions to this nice equation $\varphi(n)+\tau(n^2)=n$

Published on 26 Mar 2026 - 6:21

1k

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Explanation about reduced residue system theorem

Published on 26 Jun 2016 - 22:53

81

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Explanation about proof of formula for Euler's function

Published on 27 Jun 2016 - 4:48

205

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Find the Prime Factorization of $\varphi(11!)$

Published on 03 Jul 2016 - 12:54

List Question

Is there a variant of Euler's theorem for matrices?

Congruence $16^{(x^ 2+x+1)} \equiv 4 \mod 11$

Conjecture about odd primes

On factoring and integer given the value of its Euler's totient function.

Compute the Euler function $\phi(n)$ for $n = 360$ as well as the number of divisors $d(n)$.

If $\gcd(a,x)=1$ and $a|x^n-1$, then $n|\varphi(a)$?

Find the order of $U_{2n}$

A multiplicative property of the Euler totient function $\phi$

Prove that for any positive integer $t$, there exists a positive integer $n$ such that the base $10$ representation of $\phi(n)$ ends with $t$ zeros.

Relation between $\gcd$ and Euler's totient function .

Counting the number of integers in a reduced residue system congruent to some integer modulo a prime

Number of solutions to this nice equation $\varphi(n)+\tau(n^2)=n$

Explanation about reduced residue system theorem

Explanation about proof of formula for Euler's function

Find the Prime Factorization of $\varphi(11!)$

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