Wiktionary
n. (context mathematics English) All positive numbers that cannot be divided by two.
Wikipedia
Odd Number'' (Spanish:La cifra impar'') is a 1962 Argentine mystery film directed by Manuel Antin and starring Lautaro Murúa, María Rosa Gallo and Sergio Renán.
Usage examples of "odd number".
Why is there always an even number of ladybugs in the world and not an odd, an odd number of stars visible and not an even?
Cecelia doubted they had been glories anyway (well, perhaps those pretty beasts with the odd number of vertebrae).
I saw that in dealing with apples or bricks the thing would appear to be quite impossible, since four times any number must be an even number, while fifteen is an odd number.
Each is marked at the top with a rather large number, always odd, and beneath it a long row of ones and zeroes, which (since the last digit is always 1, indicating an odd number) he takes to be nothing other then the selfsame number expressed in the binary notation lately perfected by Leibniz.
To ensure an odd number, he had asked Zatcheka, whose town had similar customs, to sit as the fifth judge Just past noon, after a fresh wind had broken up the storm clouds and taken them off to the east, the court convened.