Find a number that is both triangular and a perfect square, and is greater than 1.
Category: Math · Difficulty: expert
Hint: Think of numbers that fit the pattern of triangles and squares.
Answer
36
Explanation
36 is the 8th triangular number and also 6^2, a perfect square.
This is a expert math riddle — one of the harder riddles here. The answer is 36.
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