Rectangular numbers are a subset of composite numbers.
The squares of prime numbers will be composite but not rectangular.
Some factors are prime numbers, some are composite.
1,4,6,8,9,10,12,14,15,16,18,20,21,22,24,25,26,27,28,30,32,33,34,35,36,38,39 are the composite numbers between 1 and 40.
composite numbers between 11 and 21:12 14 15 16 18
Not all numbers between 20 and 28 are composite numbers. 23 is a prime number.
The sum of the composite numbers between 1 and 50 is 936.
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.
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Some factors are prime numbers, some are composite.
30,32,33,34,35,36,38,39,40 are the composite numbers between 30 and 40. Composite numbers are numbers that are not prime numbers.
The relationship between prime numbers and composite numbers is that they are antonyms or opposites of each other. A natural number, is either prime or composite, but it can not be both. Prime numbers have only two factors, one and itself. Composite numbers are whole numbers that are not prime numbers, which means that they have factors other than one and itself.
composite numbers 30-40
There are no composite numbers between 30 and 31. 30 and 31 are consecutive numbers with no whole numbers between them.
The composite numbers between 11 and 29 are 12,14,15,16,18,20,21,22,24,25,26,27 & 28.
1,4,6,8,9,10,12,14,15,16,18,20,21,22,24,25,26,27,28,30,32,33,34,35,36,38,39 are the composite numbers between 1 and 40.
Well, honey, none of the numbers between 3 and 11 are rectangular. Rectangular numbers are the product of two consecutive integers, like 6 (2x3) or 12 (3x4). So, in this case, you're out of luck if you're looking for rectangular numbers between 3 and 11.
The composite numbers between 10 and 20 are 12, 14, 15, 16 and 18.
There are 3 composite numbers between 35 and 40. They are 36, 38, and 39.