14656
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 22
- Digital Root
- 4
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 14
- Divisor Sum
- 29210
- Proper Divisor Sum (Aliquot Sum)
- 14554
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 7296
- Möbius Function
- 0
- Radical
- 458
- Omega Function (Ω)
- 7
- 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
- 40
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- no
- Squarefree Number
- no
- 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
- If d,e are consecutive digits of n in base 7, then |d-e|>=5.at n=38A032995
- Composite numbers whose prime factors contain no digits other than 2 and 9.at n=37A036313
- Maximal elements of pairs of "Super Unitary Amicable Numbers", sorted by their minimal elements.at n=30A045614
- Number of subsets of integers 1 through n (including the empty set) containing no pair of integers that share a common factor.at n=27A084422
- Column 4 of triangle A091602.at n=42A091607
- phi(n) + n is a cube.at n=29A114074
- Square of the (3,1)-entry of the 3 X 3 matrix M^n, where M = [1,0,0; 1,1,0; 1,i,1].at n=15A125641
- triangle of conversion vectors/ coefficients between adjusted to be Integers: Hermite-like: p(x,n)=2*x*p(x,n-1)-n*p(x,n-1); and Chebyshev-like: q(x,n)=2*x*q(x,n-1)-q(x,n-1);.at n=31A136666
- 11^n+2^n-1.at n=4A155595
- G.f.: A(x,y,z) = Sum_{n>=0} ((2n)!/n!^2)*[Sum_{k=0..2n} T(n,k)*z^k]*x^(2n)*y^n/(1-x-xy)^(4n+1) where A(x,y,x+xy) = Sum_{n>=0, k=0..n} C(n,k)^4*x^n*y^k at z = x+xy; this is the triangle of coefficients T(n,k), read by rows.at n=21A187056
- a(n) = 2*n*(7*n + 5).at n=32A195027
- a(n) = 4*n^3 + 5*n^2 + 2*n + 1.at n=15A204674
- Triangle read by rows: T(n, k) = n*binomial(n, k)*A000757(k), 0 <= k <= n.at n=43A233440
- Number of partitions p of n such that the multiplicity of the median of p is a part of p.at n=41A240492
- Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 203", based on the 5-celled von Neumann neighborhood.at n=27A270727
- Numbers n such that the decimal number concat(6,n) is a square.at n=28A273361
- Number of plane partitions of n having exactly one row and one column, each of equal length.at n=28A356367
- E.g.f. A(x) satisfies A(x) = exp(x * A(-x)^3).at n=5A360988