Find whether the square of the following numbers are even or odd?

17779

Given a number 17779 and need to find out whether it is even or odd

Now, the square of number, n = n²

Consider units digit of a number 17779 and square

the units digit number.

⇒ Here, Units digit number is 9

⇒ Square of 9 = 81

⇒ 9 is a odd number

⇒ ∴ square of 17779 will be again odd number

Hence, 17779 is odd number.