11422
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 10
- Digital Root
- 1
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 17136
- Proper Divisor Sum (Aliquot Sum)
- 5714
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 5710
- Möbius Function
- 1
- Radical
- 11422
- Omega Function (Ω)
- 2
- Little Omega Function (ω)
- 2
Special
- Factorial
- no
- Catalan Number
- no
- Bell Number
- no
- Motzkin Number
- no
- Primorial
- no
Figurate Numbers
- Fibonacci Number
- no
- Triangular Number
- no
- Perfect Square
- no
- Perfect Cube
- no
- Pentagonal Number
- no
- Hexagonal Number
- no
- Lucas Number
- no
- Tetrahedral Number
- no
- Pell Number
- no
- Tribonacci Number
- no
- Pronic Number
- no
Recreational
- Happy Number
- no
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 130
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- yes
- Squarefree Number
- yes
- Prime Power
- no
- Prime Factorization
- no
- Twin Prime
- no
- Mersenne Prime
- no
- Sophie Germain Prime
- no
- Safe Prime
- no
- Powerful Number
- no
- Achilles Number
- no
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- yes
- Odd
- no
Appears in sequences
- Number of n X 3 binary matrices under row and column permutations and column complementations.at n=18A006381
- Numbers whose least quadratic nonresidue (A020649) is 19.at n=4A025027
- [ exp(9/11)*n! ].at n=6A030939
- Number of ways to place zero or more nonadjacent 2,1 2,2 3,0 3,1 4,2 4,3 5,1 5,2 polyhexes in any orientation on a planar nXnXn triangular grid.at n=7A155439
- Number of ways to place zero or more nonadjacent 2,1 3,0 3,1 3,3 4,2 4,3 5,1 5,2 polyhexes in any orientation on a planar nXnXn triangular grid.at n=7A155441
- Number of binary strings of length n with no substrings equal to 0000, 0010, or 0100.at n=16A164417
- Number of (w,x,y,z) with all terms in {1,...,n} and w<|x-y|+|y-z|.at n=12A212568
- a(n) is the least value of k such that the decimal expansion of n^k contains nine consecutive identical digits.at n=35A217164
- Expansion of Product_{k>=1} (Product_{j=1..k} (1 + x^(k*j))^k).at n=17A327064
- G.f.: Sum_{k>=0} x^(k^2) * Product_{j=1..k} 1/(1 - x^j)^3.at n=22A376709
- G.f.: Sum_{k>=0} x^k * Product_{j=1..4*k} (1 + x^j).at n=47A385068