Subfactorial

Number of permutations with no fixed points in combinatorics.

MathematicsCombinatoricsPermutationStatistics

Complexity

Current best complexity is 18:

Subfactorial
18
Discover this myself!

Statistics

Discovered by
1board
Best recipe held by
1board
First discovered
33 hoursago
Crafted
1time
Made with
1recipe
Used in
1recipe

Highlights

  1. First discovered by
    Hello5184's board
    · 33 hours ago
  2. Lowest complexity18first held by
    Hello5184's board
    · 16 hours ago
  3. Last crafted by
    Hello5184's board
    · 33 hours ago
  4. Last used in a recipe by
    Hello5184's board
    · 33 hours ago

Related concepts

Infinity
Delta
Binary System
Fractal
Sphere
Double
Tesseract
Infinite
Hypercube
Cube
Delta squared
Hexadecuple

Technical information

Concept ID
223572
Color
#3a6ea9
Emoji
🔢
Categories
Mathematics, Combinatorics, Permutation, Statistics
Best complexity
18
First discovered
Jun 10, 2026, 17:32 UTC
Trademarked
No
Copyrighted
No

About "Subfactorial" concept

Subfactorial can be discovered in Concepts, categorized under Mathematics, Combinatorics, Permutation, Statistics. Number of permutations with no fixed points in combinatorics.

It has been discovered by 1 board and crafted 1 time, first appearing 33 hours ago. Subfactorial can be created from 1 recipe, and goes on to appear as an ingredient in 1 other.

Subfactorial was first discovered by Hello5184's board 33 hours ago. They also hold the lowest-complexity recipe, at 18.

Related concepts worth exploring include Infinity, Delta, Binary System, Fractal, Sphere, Double, and 6 more.

Subfactorial 🔢 | Concepts