Question 331528
abc is the 3 digit number
100a+10b+c=3 digit number
c=3b
a can = 2,4,6,or 8   4 is the only square number choice
the squares are as follows:
1, 4,9,16...oops cant be 16 or higher they are more than a single digit

{{{highlight(413)}}} is my best guess for the number
because
first digit is even and a square
middle digit is a square
last digit is 3 times the middle digit