# What is the Average of First 13 Composite Numbers? getcalc.com's average of first n composite numbers calculator, formulas, numbers chart, examples & workout to find what is the mean or average of first 13 composite numbers. 13.4615 is an average of first 13 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 13 composite numbers for user reference.

First 13 Composite Numbers Chart (4 - 22)
4689101214151618
202122

## how to find the average of First 13 Composite Numbers?

The below workout with step by step calculation shows how to find what is the average of first 13 composite numbers manually.
step 1 Address the formula, input parameters & values.
Input parameters & values:
The first 13 composite numbers
4, 6, 8, . . . . , 21, 22

step 2 Find the sum of first 13 composite numbers
4 + 6 + 8 + . . . . + 21 + 22 = 175

step 3 Divide the sum by 13
175/13 = 13.4615

Thus, 13.4615 is an average of first 13 natural numbers or positive integers.

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