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What is the Average of First 4 Odd Composite Numbers?

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getcalc.com's average of first n composite numbers calculator, formulas, numbers chart, examples and workout to find what is the mean or average of first 4 odd composite numbers. 17.5 is an average of first 4 odd composite (non-prime) numbers mentioned in the below table, by substituting the total sum and count of numbers in the below formula.

Numbers Chart

The below chart is the complete list of first 4 odd composite numbers for user reference.

First 4 Odd Composite Numbers Chart (9 - 25)
9152125

how to find the average of First 4 Odd Composite Numbers?

The below workout with step by step calculation shows how to find what is the average of first 4 odd composite numbers manually.
step 1 Input values:
The first 4 odd composite numbers
9, 15, 21, 25

step 2 Find the sum of first 4 oddcomposite numbers
9 + 15 + 21 + 25 = 70

step 3 Divide the sum by 4
70/4 = 17.5

17.5 is an average of first 4 natural numbers or positive integers.

Average of Natural, Odd, Even and Prime Numbers

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