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Square Number
Is 81 square ?
Is 81 a perfect square? [SOLVED]
Answer
81 is a
perfect square
.
Because
9 * 9 = 81
.
Related links:
Is 81 a composite number?
Is 81 an even number?
Is 81 an irrational number?
Is 81 an odd number?
Is 81 a perfect number?
Is 81 a prime number?
Is 81 a rational number?
What are the factors of 81?
What are the multiples of 81?
What is the prime factorization of 81?
