Named after | Paul Erdős, Jean-Louis Nicolas |
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Publication year | 1975 |
Author of publication | Erdős, P., Nicolas, J. L. |
Subsequence of | Abundant numbers |
First terms | 24, 2016, 8190 |
Largest known term | 3304572752464376776401640967110656 |
OEIS index |
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In number theory, an Erdős–Nicolas number is a number that is not perfect, but that equals one of the partial sums of its divisors. That is, a number n is an Erdős–Nicolas number when there exists another number m such that
The first ten Erdős–Nicolas numbers are
They are named after Paul Erdős and Jean-Louis Nicolas, who wrote about them in 1975. [2]