11852
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 17
- Digital Root
- 8
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 6
- Divisor Sum
- 20748
- Proper Divisor Sum (Aliquot Sum)
- 8896
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 5924
- Möbius Function
- 0
- Radical
- 5926
- Omega Function (Ω)
- 3
- 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
- 37
- 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
- Smallest number such that n-th iterate of Chowla function is 0.at n=22A002954
- Numbers k such that the continued fraction for sqrt(k) has period 76.at n=35A020415
- Number of partitions of n into parts not of the form 11k, 11k+2 or 11k-2. Also number of partitions with 1 part of size 1 and differences between parts at distance 4 are greater than 1.at n=43A035945
- G.f. satisfies A(x) = 1 + x*cycle_index(Sym(5), A(x)).at n=13A036721
- a(n) = A014486(A080068(n)).at n=7A080069
- Integers k such that k + phi(k) + phi(phi(k)) is a fourth power.at n=9A116041
- Number of self-avoiding walks on a honeycomb lattice with a one-dimensional impenetrable boundary.at n=14A118355
- Generalized Bessel numbers.at n=12A145062
- a(n) = prime(n)^2 - n.at n=28A182174
- Numbers k such that (7*10^(2*k+1)+18*10^k-7)/9 is prime.at n=11A183183
- Number of compositions of n into parts with multiplicity not larger than 5.at n=15A243083
- Numbers k such that 1 + k + k^3 + k^5 + k^7 + k^9 + ... + k^57 is prime.at n=33A244390
- Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 105", based on the 5-celled von Neumann neighborhood.at n=25A270162
- Number of 2 X 2 matrices with all terms in {-n,...,0,...,n} and (sum of terms) = permanent.at n=28A280914
- Numbers k such that Fibonacci(k) has a Fibonacci number of 1's in its binary representation.at n=54A382053