11094
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 15
- Digital Root
- 6
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 12
- Divisor Sum
- 22716
- Proper Divisor Sum (Aliquot Sum)
- 11622
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 3612
- Möbius Function
- 0
- Radical
- 258
- Omega Function (Ω)
- 4
- Little Omega Function (ω)
- 3
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
- 55
- 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
- a(n) = 6*n^2.at n=43A033581
- usigma(n) = 2n + d(n), where d(n) is the number of divisors of n.at n=12A063829
- Number of basis partitions (or basic partitions) of n.at n=50A066447
- Numbers k such that the k-th difference between 2 successive primes equals the squarefree part of k.at n=20A078691
- Smallest area of any triangle with integer sides a <= b <= c and inradius n.at n=42A120572
- The lexicographically earliest sequence such that a(n) - a(n-1) is the largest proper divisor of a(n).at n=19A191614
- Numbers n where abs(s(n)) produces a new minimum, with s(1) = 1 and s(i) = s(i-1) - sign(s(i-1))*(1/i).at n=50A203812
- a(n) = n-th harmonic-exponential number, multiplied by n!.at n=5A222059
- Number of simple connected graphs on n nodes that are not trees.at n=7A241841
- Differences of the increasing arithmetic progression a^2+a, b^2+b, c^2+c, where b = 5*a+2, c = 7*a+3 and a >= 0.at n=21A260955
- Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 817", based on the 5-celled von Neumann neighborhood.at n=21A273648
- Numbers k such that (5*10^k - 29)/3 is prime.at n=21A282505
- Number of maximal irredundant sets in the 2n-crossed prism graph.at n=4A291065
- Partial sums of A299272.at n=20A299273
- Numbers k such that s(k) = 2*k, where s(k) is the sum of divisors of k that have a square factor (A162296).at n=15A322609
- Nonunitary Zumkeller numbers (A335142) whose set of nonunitary divisors can be partitioned into two disjoint sets of equal sum in a single way.at n=45A335143
- Indices k such that A358128(k) is a square.at n=37A358130
- Expansion of 1/sqrt(1 - 4*x*(1+x)^3).at n=6A361812
- Square array T(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where T(n,k) = Sum_{j=0..n} binomial(2*j,j) * binomial(k*j,n-j).at n=51A361830
- Trajectory of 34 under the "multiply with zero" rules explained in the Comments section.at n=2A365993