It is 13 squared, but it's not a triangular number
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The two square roots of the number, '169', are +13 and -13 .
144 is a square number, not a triangular number.
The square root of 169 is 13 which is a rational and also a Prime number
Yes, because the square root of 169 is 13 which is a rational number
The square root of the number 169, is 13 because when 13 is multiplied by itself, it results to 169.