Yes, there are two.
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No, there are no known perfect numbers between 1 and 30. The only perfect numbers that have been discovered are 6, 28, 496, and 8128.
perfect square numbers are 16 and 25
4
only 28 bro
No. The only perfect numbers below 100 are 6 and 28.
sqrt(30)= 5.5 approx sqrt(40) = 6.3 approx The integer 6 is between the square roots. So the square of 6, which is a perfect square, will be between the two original numbers. So answer is 62 = 36.