Odd"ness, n.
1.
The state of being odd, or not even.
Take but one from three, and you not only destroy the oddness, but also the essence of that number.
Fotherby.
2.
Singularity; strangeness; eccentricity; irregularity; uncouthness; as, the oddness of dress or shape; the oddness of an event.
Young.
© Webster 1913.