In mathematics, the parity of an object refers to whether it is even or odd. The formal definition of an odd number is an integer of the form n=2k +1, where k is an integer. The definition of an even number is n=2k where k is an integer.
Even and odd functions Even and odd permutations Division (mathematics) Divisor Modular arithmetic Integer Feit–Thompson theorem Casting out nines House numbering Ring ideal Evenness of zero Thue-Morse sequence Transposition (mathematics) Grandi's series Flight number Harmonic series (music) Identity (mathematics) Goldbach's conjecture Fundamental frequency Finite group Perfect number Subtraction Wind instrument Harmonic Numeral system Permutation Multiplication Addition Mathematical proof Ring (mathematics) Abstract algebra Organ stop If and only if Infinity Decimal United States Numbered Highways Prime number Set Binary numeral system Clarinet
