Answers Binomial Coefficient Calculator

What is 17C4?

This is a binomial coefficient question. 17C4 is notation for a combination without repetition, so you are choosing 4 items from 17 distinct items and order does not matter.

Exact result

2,380

The binomial coefficient C(17, 4) is 2,380.

17C4 counts unordered groups of 4 drawn from 17 distinct items. It is the same value as 17 choose 4.

Worked steps

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  1. Inputs: n = 17, r = 4
  2. Formula: C(n, r) = nCr = n! / r!(n - r)!
  3. Substitute: C(17, 4) = 17! / (4!(17-4)!)
  4. Steps: 355,687,428,096,000 / (24 x 6,227,020,800)
  5. Result: The binomial coefficient C(17, 4) is 2,380.

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17C4 counts unordered groups of 4 drawn from 17 distinct items. It is the same value as 17 choose 4.

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