27 and 81
64 is a multiple of 16, and 81 is a multiple of 27, so I'd say that 36 is the odd one out.
Square numbers 16, 25, 36, 49, 64, 81, 100
It's even
25 is odd
72 is not an odd number because it is divisible by 2. 72/2 = 36.
64 is a multiple of 16, and 81 is a multiple of 27, so I'd say that 36 is the odd one out.
The only number in that list which is not a square number is 27. 27 is a cube number.
27 because all the others are square numbers
27 and 81 are the odd numbers. Since odd numbers are 1, 3, 5, 7 and 9, look at the last number and you will be able to tell if it's odd or even.
27 is not a perfect square
27 because it doesn't have an even square root. 42=16 - 62=36 - 82=64 - 92=81
Oh, dude, the odd number between 26 and 36 is 27. It's like, odd numbers are those numbers that can't be divided evenly by 2, so 27 totally fits the bill. So, if you were ever wondering what odd number was chillin' between 26 and 36, now you know.
These numbers between 1 and 40 have an odd number of factors: 4, 9, 16, 25, 36.
There are two 36's, so the odd one out is 36.
Square numbers 16, 25, 36, 49, 64, 81, 100
45
Square numbers like 1, 4, 9, 16, 25, 36, 49, 64, 81, 100