Question

what is the deg
finition of
odd number

Answer 1

A number that is not divisible by 2, is called an odd number.

For example : 1, 3, 5, 7, 9, ...............

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Answer 2

Odd Number
An odd number is an integer of the form n=2k+1, where k is an integer. The odd numbers are therefore ..., -3, -1, 1, 3, 5, 7, ... (OEIS A005408), which are also the gnomonic numbers. Integers which are not odd are called even.

Odd numbers leave a remainder of 1 when divided by two, i.e., the congruence n=1 (mod 2) holds for odd n. The oddness of a number is called its parity, so an odd number has parity 1, while an even number has parity 0.



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