Doubly Even Number

An even number $N$ for which $N\equiv 0\ \left({{\rm mod\ } {4}}\right)$. The first few Positive doubly even numbers are 4, 8, 12, 16, ... (Sloane's A008586).

See also Even Function, Odd Number, Singly Even Number

References

Sloane, N. J. A. Sequence A008586 in ``The On-Line Version of the Encyclopedia of Integer Sequences.'' http://www.research.att.com/~njas/sequences/eisonline.html.