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Giuga Number

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Giuga number - ipfs.io

A Giuga number is a composite number n such that for each of its distinct prime factors p i we have , or equivalently such that for each of its distinct prime factors ...
https://ipfs.io/.../wiki/Giuga_number.html

Giuga number - Wikipedia

Definitions. Alternative definition for a Giuga number due to Takashi Agoh is: a composite number n is a Giuga number if and only if the congruence. n B φ (n ...
https://en.wikipedia.org/wiki/Giuga_number

A007850 - OEIS

A007850 Giuga numbers: composite numbers n such that p divides n/p - 1 for every ... One further Giuga number is known with 10 prime factors, namely:
https://oeis.org/A007850

Giuga numbers

It can be proved easily that a Giuga number must be squarefree and equal to the product of at least 3 primes. All the known Giuga numbers are even, but the ...
http://www.numbersaplenty.com/set/Giuga_number

NumberWorld: On Giuga Numbers

23/10/2017 · To 4.) The definition of a Giuga number is very similar to the one of a Carmichael number. However, the status quo is more similar to the perfect numbers.
http://numberworld.blogspot.com/2017/10/on-giuga-numbers.html

Giuga Number -- from Wolfram …

03/05/2018 · where is a Bernoulli number and is the totient function. Every counterexample to Giuga's conjecture is a contradiction to …
http://mathworld.wolfram.com › … › Divisor-Related Numbers

On Giuga Numbers - Dartmouth College

On Giuga Numbers 15 2.3 Large values of p1 We first consider the case when p1 > x1=4. For a fixed value of p1, the number of Giuga numbers n • x divisible by p ...
https://math.dartmouth.edu/~carlp/giugafinal.pdf

Variations on Giuga Numbers and

A k -strong Giuga number is a composite integer such that ∑ j = 1 n − 1 j n − 1≡ − 1 (mod n). We consider the congruence ∑ j = 1 n ...
https://link.springer.com/article/10.1007/s11253-016-1189-2

Giuga Numbers and the Arithmetic Derivative

2 Giuga numbers and the arithmetic derivative: bring-ing doubts on Lava’s conjecture ... If n is a Giuga number then it is composite and square-free.
https://cs.uwaterloo.ca/journals/JIS/VOL15/Oller/oller5.pdf

Talk:Giuga number - Wikipedia

This article is within the scope of WikiProject Mathematics, a collaborative effort to improve the coverage of Mathematics on Wikipedia. If you would like to ...
https://en.wikipedia.org/wiki/Talk:Giuga_number