Amicable Pell numbers.

Luca, Florian

Displaying similar documents to “Amicable Pell numbers.”

A variation on perfect numbers.

Woodford, Roger (2004)

Integers

Similarity:

Variations on Euclid's formula for perfect numbers.

Firoozbakht, Farideh, Hasler, Maximilian F. (2010)

Journal of Integer Sequences [electronic only]

Similarity:

An upper bound for odd perfect numbers.

Nielsen, Pace P. (2003)

Integers

Similarity:

A rationality condition for the existence of odd perfect numbers.

Davis, Simon (2003)

International Journal of Mathematics and Mathematical Sciences

Similarity:

On $k$ -imperfect numbers.

Zhou, Weiyi, Zhu, Long (2009)

Integers

Similarity:

Binomial expansions modulo prime powers.

Haggard, Paul W., Kiltinen, John O. (1980)

International Journal of Mathematics and Mathematical Sciences

Similarity:

On perfect numbers connected with the composition of arithmetic functions.

Sándor, József, Kovács, Lehel István (2009)

Acta Universitatis Sapientiae. Mathematica

Similarity:

Perfect Gaussian integers

Wayne McDaniel (1974)

Acta Arithmetica

Similarity:

An analogue in certain unique factorization domains of the Euclid-Euler theorem on perfect numbers.

McDaniel, Wayne L. (1990)

International Journal of Mathematics and Mathematical Sciences

Similarity:

Sylvester: ushering in the modern era of research on odd perfect numbers.

Gimbel, Steven, Jaroma, John H. (2003)

Integers

Similarity:

The divisibility of $a^{n} - b^{n}$ by powers of $n$ .

Győry, Kálmán, Smyth, Chris (2010)

Integers

Similarity:

Divisibility by 3 of even multiperfect numbers of abundancy 3 and 4.

Broughan, Kevin A., Zhou, Qizhi (2010)

Journal of Integer Sequences [electronic only]

Similarity: