Perfect numbers: Difference between revisions

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It is not known if there are any odd perfect numbers (any that exist are larger than <big>10<sup>2000</sup></big>).
It is not known if there are any odd perfect numbers (any that exist are larger than <big>10<sup>2000</sup></big>).


The number of &nbsp; ''known'' &nbsp; perfect numbers is &nbsp; '''50''' &nbsp; (as of September, 2018), &nbsp; and the highest known perfect number contains over '''46''' million decimal digits.
The number of &nbsp; ''known'' &nbsp; perfect numbers is &nbsp; '''50''' &nbsp; (as of September, 2018), &nbsp; and the largest known perfect number contains over '''46''' million decimal digits.