TOPICS
Search

Friend


A friend of a number n is another number m such that (m,n) is a friendly pair.


See also

Friendly Number, Friendly Pair, Solitary Number

Explore with Wolfram|Alpha

References

Anderson, C. W. and Hickerson, D. Problem 6020. "Friendly Integers." Amer. Math. Monthly 84, 65-66, 1977.

Referenced on Wolfram|Alpha

Friend

Cite this as:

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

Subject classifications