Positive 1
1, with 1 as the odd divisor.
If the last number is odd or even then the whole number is odd or even, in this case the last number is 3 which is an odd number, therefore the whole number is odd.
Look at the last digit. If it is even, the whole number is even. If it is odd, the whole number is odd.
It is an odd whole number.
145 is an odd number. All whole numbers ending in five are odd.
Because the last number to the right is an odd number, the whole number is an odd number.
You can't. Only whole numbers are odd or even.
An odd number is a whole number that can not be evenly divided by 2. 81 divided by 2 is 40.5 (which is not a whole number, because of the fraction of a number, .5) therefore, it is an odd number.
3 is the smallest odd prime number.
The square of every positive or negative even whole number is a positive even whole number. The square of every positive or negative odd whole number is a positive odd whole number. There are an infinite number of each kind.
An odd number.
Look at the last digit. If the last digit of a number is even, the whole number is even. If the last digit is odd, the number is odd.