An odious number is a nonnegative integer that has an odd number of 1s in its binary
expansion. The first few odious numbers are therefore 1, 2, 4, 7, 8, 11, 13,
14, 16, 19, ... (OEIS A000069). Nonnegative
integers that are not odious are said to be evil numbers.
See also
Economical Number,
Evil Number,
Happy Number,
Lucky
Number,
Unhappy Number,
Wasteful
Number
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References
Sloane, N. J. A. Sequence A000069 in "The On-Line Encyclopedia of Integer Sequences."Referenced
on Wolfram|Alpha
Odious Number
Cite this as:
Weisstein, Eric W. "Odious Number." From
MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/OdiousNumber.html
Subject classifications
