Seventy seven is the sum of three consecutive squares, 42 + 52 + 62 and is also a palindrome number which has the square root equal to 8.77
Seventy seven is the sum of three consecutive squares, 42 + 52 + 62 and is also a palindrome number which has the square root equal to 8.77
The nearest previous perfect square is 64 and the nearest next perfect square is 81 .
