it is 36!!! because,,, # 3+6=9 # 6x6=36 # factors are: 1 2 3 4 6 9 12 18 36= 9 factors # 36= an even number it all works so the answer is 36!
81
Every square of a 4 digit number has more than four digits.
81...........
81
121
81
49
Every square of a 4 digit number has more than four digits.
81...........
81
1
121
81
144, 324, 576 and 900 are even three-digit square numbers that are multiples of 3.
935
The number is 81.
The square root of 55 is an irrational number, meaning it never ends and doesn't have a repeating digit pattern, so it has an infinite number of digits.