Even perfect numbers in generalized Pell sequences
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DOI: 10.1007/s10986-020-09505-6
Abstract: In this paper, by using linear forms in logarithms and the Baker–Davenport reduction procedure we prove that there are no even perfect numbers appearing in generalized Pell sequences. We also deduce some interesting results involving… read more here.
Keywords: numbers generalized; pell sequences; generalized pell; even perfect ... See more keywords
An analog of perfect numbers involving the unitary totient function
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DOI: 10.1016/j.jnt.2019.08.020
Abstract: We shall give some results for an integer divisible by its unitary totient. read more here.
Keywords: perfect numbers; analog perfect; numbers involving; totient ... See more keywords