Which of the following cannot be the square of an integer  Pick one:
A) 275625
B) 385641
C) 227529
D) 261121
E) 426408
The square of an integer (n^2) can have only the following units digit:   0, if the units digit of n is 0;   1, if the units digit of n is 1 or 9;   4, if the units digit of n is 2 or 8.   5, if the units digit of n is 5;   6, if the units digit of n is 6 or 4;   9, if the units digit of n is 3 or 7.   As, you can see the square of an integer cannot have the units digit of 2, 3, 7, or 8.   Answer: 426408.
<result>E</result>
Which of the following cannot be the square of an integer