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Sous-Double


A 3-multiperfect number P_3. Six sous-doubles are known (120, 672, 523776, 459818240, 1476304896, and 51001180160; OEIS A005820), and these are believed to comprise all sous-doubles.


See also

Multiperfect Number, Sous-Triple

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References

Sloane, N. J. A. Sequence A005820/M5376 in "The On-Line Encyclopedia of Integer Sequences."

Referenced on Wolfram|Alpha

Sous-Double

Cite this as:

Weisstein, Eric W. "Sous-Double." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Sous-Double.html

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