Permutations (nPr): 8 n n; 1 r r
Specific conversion page with reference context, calculator, and nearby values.
Table of Contents
8 n n; 1 r r converts to
8 Permutation Count
Use this as a quick reference for Permutations (nPr).
Value Details
Input: 8 n n; 1 r r
Output: 8 Permutation Count
Permutations (nPr)
Calculate the number of ordered permutations using nPr for integers with 0 ≤ r ≤ n ≤ 18.
Calculated Result
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Nearby Reference Values
| Scenario | nPr |
|---|---|
| 6 n n; 6 r r | 720 Permutation Count |
| 7 n n; 0 r r | 1 Permutation Count |
| 7 n n; 1 r r | 7 Permutation Count |
| 7 n n; 2 r r | 42 Permutation Count |
| 7 n n; 3 r r | 210 Permutation Count |
| 7 n n; 4 r r | 840 Permutation Count |
| 7 n n; 5 r r | 2,520 Permutation Count |
| 7 n n; 6 r r | 5,040 Permutation Count |
| 7 n n; 7 r r | 5,040 Permutation Count |
| 8 n n; 0 r r | 1 Permutation Count |
| 8 n n; 1 r r | 8 Permutation Count |
| 8 n n; 2 r r | 56 Permutation Count |
| 8 n n; 3 r r | 336 Permutation Count |
| 8 n n; 4 r r | 1,680 Permutation Count |
| 8 n n; 5 r r | 6,720 Permutation Count |
| 8 n n; 6 r r | 20,160 Permutation Count |
| 8 n n; 7 r r | 40,320 Permutation Count |
| 8 n n; 8 r r | 40,320 Permutation Count |
| 9 n n; 0 r r | 1 Permutation Count |
| 9 n n; 1 r r | 9 Permutation Count |
| 9 n n; 2 r r | 72 Permutation Count |
Frequently Asked Questions
Common questions about Permutations (nPr), formulas, and expected usage.
What does the Permutations (nPr) calculator do?
It helps with counting ordered arrangements in combinatorics, scheduling, and coding interviews.
What formula does the Permutations (nPr) calculator use?
nPr = n! / (n-r)! for ordered selections.
What inputs are valid?
n and r must be integers with 0 ≤ r ≤ n ≤ 18.
When would I use this?
counting ordered arrangements in combinatorics, scheduling, and coding interviews
Methodology and Review
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