How many numbers less than 1000 are perfect squares which are also 3 times an odd integer?

asked Jul 22, 2023 77.5k views

1 vote

by Eigil

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4 votes

There are 31 perfect square numbers that are less than 1000.

Among them there are 5 numbers which are 3 times an odd integer those are 9,81, 225, 441, 729

Jeff Gilfelt answered Jul 29, 2023

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