11046
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 12
- Digital Root
- 3
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 16
- Divisor Sum
- 25344
- Proper Divisor Sum (Aliquot Sum)
- 14298
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 3144
- Möbius Function
- 1
- Radical
- 11046
- Omega Function (Ω)
- 4
- Little Omega Function (ω)
- 4
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
- no
- 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
- Least term in period of continued fraction for sqrt(n) is 10.at n=21A031434
- Dirichlet convolution of Fibonacci numbers with sigma(n).at n=20A034747
- Number of primitive (aperiodic) word structures of length n using a 4-ary alphabet.at n=8A056275
- a(n) is the number of different degrees in the sequence of the degrees of the irreducible representations of the symmetric group S_n, i.e., count each degree only once.at n=37A060437
- The weight of the periphery of the alternating group, denoted v(P_N).at n=6A067370
- Number of polyiamonds with 2n cells that tile the plane by translation but not by 180-degree rotation (Conway criterion).at n=10A075217
- Numbers k such that k*prime(k) -+ 1 are twin primes.at n=40A085637
- Expansion of (2-x-2*x^2-x^3)/(1-x-x^2)^2.at n=16A102702
- Numbers n such that 5*10^n + 6*R_n + 3 is prime, where R_n = 11...1 is the repunit (A002275) of length n.at n=21A103018
- Let n = a_1a_2...a_k, where the a_i are digits. a(n) = least multiple of n of the type b_1a_1b_2a_2...a_kb_{k+1}, obtained by inserting single digits b_i in the gaps and both ends; 0 if no such number exists.at n=13A110735
- Triangle, read by rows, where the g.f. of column k, C_k(x), is defined by the recursion: C_k(x) = ( 1 + Sum_{n>=1} x^n*C_{n-1+k}(x) )^(k+1).at n=36A127082
- Column 0 and row sums of triangle A127082.at n=8A127083
- p(p(2^n)-p(n+1)+p(n*2)-p(n^2))-1, where p(n)=n-th prime.at n=7A141084
- Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 0, 1), (0, 0, -1), (1, 0, 1), (1, 1, 0)}.at n=7A150769
- a(n) = 343*n - 273.at n=32A157369
- a(n) = 441*n^2 + 21.at n=5A158603
- a(n) = 25*n^2 + n.at n=20A173089
- Numbers n with property that there is a different number m such that the lunar squares n*n and m*m are the same.at n=32A181319
- a(n) = 5*n^2 + 1.at n=47A212656
- The second rank moment function N_2(n).at n=17A220908