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Q: What kind of number is 16 is it pentagonal prime triangle or square?

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either prime, pentagonal, square or triangle. work it out for yourself.

Prime or triangle

There is no square number that is prime. Prime numbers have no factors other than themselves and 1. (1 is defined to be not-prime) Proof: Suppose that there exists a square number A that is prime. Then A cannot be written as a product of any integers but itself and 1. But A is a square number. That means that there exists some integer n, such that A = n² Hence we are able to write A as A = n*n This is a contradiction since we assumed A was only able to be written as a product of itself and 1. Hence our assumption is false. Therefore, there exists no square number that is prime.

The square root of the prime number 19 is an irrational number

8.54400374531753 but there is no square root really because 73 is a prime number

Related questions

100 is a square.

either prime, pentagonal, square or triangle. work it out for yourself.

square

square

8

No square number can be a prime number and conversely.

1 is not a prime number but it is a square number

113 is prime, not square.

210 is neither a prime number or a square number.

It is 3

60 is neither a square number nor a prime number.

An oxymoron. Prime numbers can't be square. Square numbers can't be prime. You can square a prime number: 3 x 3 - 32 = 9

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