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No, they are the only numbers that are NOT rectangular in shape. (I think you knew this and screwed up your question.) That is, all non-primes can be arranged into the form of a rectangle - e.g. 21 can be organized as a rectangle with dimensions of 3 x 7. But prime numbers cannot be organized as rectangles.
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What is the Nth term formula for rectangular numbers?
There is no such formula. Rectangular numbers are composite numbers and there is no known formula that will generate either composite numbers or prime numbers.
Are prime numbers rectangular?
No. To be rectangular a number must have two factors greater than 1. If it has two factors greater than 1, it cannot be prime.
What are the rectangular numbers between 1-100?
101
What are the second and third rectangular numbers?
The second and third rectangular numbers are 6 and 12
Which of the numbers between 2 and 20 are not rectangular numbers?
The prime numbers and the squares of primes between 2 and 20: 3, 4, 5, 7, 9, 11, 13, 17 and 19.
