Ina whakawehea tētahi taukehe ki te rua, he kotahi ka toe mai i ngā wā katoa. Ko te mati whakamutunga o tētahi taukehe, ko te 1, te 3, te 5, te, 7, te 9 rānei. He mutunga-kore te huinga taukehe.
If an odd number is divided by 2, there will always be a remainder of one. The last digit in any odd number will be either 1, 3, 5, 7, or 9. The set of odd numbers is infinite.