It is a perfect square.
The sum of the n and n+1th triangular numbers is (n+1)2
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Numbers which are a power of 2 (1,2,4,8,16,32,64,...) cannot be made by summing consecutive numbers.
4+5=9
Any two consecutive numbers must comprise one odd and one even number, so their product must be even. Any three consecutive numbers must include two consecutive numbers so the result still applies.
None of those numbers can ever equal 24, but there may be some method or processof combining them, with some assortment of arithmetic operations, that might produce24 as the result.
A product is a binary operator. That means a product is the result of combining TWO numbers. You cannot have a product of just one number - whether it is a fraction or not is irrelevant.