5706
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 18
- Digital Root
- 9
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 12
- Divisor Sum
- 12402
- Proper Divisor Sum (Aliquot Sum)
- 6696
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 1896
- Möbius Function
- 0
- Radical
- 1902
- 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
- yes
- Narcissistic Number
- no
- Collatz Steps
- 28
- 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
- Coordination sequence for FeS2-Marcasite, Fe position.at n=37A009955
- Numbers k such that the continued fraction for sqrt(k) has period 50.at n=38A020389
- Numbers that are the sum of 3 distinct positive cubes in 2 or more ways.at n=35A024974
- Numbers that are the sum of 3 distinct positive cubes in exactly 2 ways.at n=34A025400
- Numbers k such that 231*2^k-1 is prime.at n=39A050867
- 11-gonal (or hendecagonal) numbers: a(n) = n*(9*n-7)/2.at n=36A051682
- Numbers k such that x-4, x-2, x+2, x+4 are primes, where x = 30*k - 15.at n=47A061668
- Interprimes which are of the form s*prime, s=18.at n=17A075293
- Hyperbinomial transform of A089466 and also the inverse hyperbinomial transform of A089468.at n=5A089467
- Numbers k such that 3*R_k + 4 is prime, where R_k = 11...1 is the repunit (A002275) of length k.at n=14A099411
- Numbers n such that (n + prime(n)), (n+1 + prime(n+1)) and (n+2 + prime(n+2)) are divisible by 5.at n=36A107581
- Number of permutations of length n which avoid the patterns 1234, 1243, 3241.at n=8A116839
- Connell (5,3)-sum sequence (partial sums of the (5,3)-Connell sequence).at n=50A122795
- Expansion of 1/(1 - x - x^3 + x^5).at n=41A123552
- Row sums of absolute values of A182928.at n=7A182926
- Number of Ramanujan primes <= 2^n.at n=17A190502
- Triangle of coefficients of polynomials u(n,x) jointly generated with A210804; see the Formula section.at n=39A210803
- Total number of maximal cyclic subgroups of the alternating group, counting conjugates as distinct.at n=8A218963
- T(n,k)=Number of ways to reciprocally link elements of an nXk array either to themselves or to exactly two horizontal and antidiagonal neighbors, without consecutive collinear links.at n=70A220708
- Number of ways to reciprocally link elements of an 5 X n array either to themselves or to exactly two horizontal and antidiagonal neighbors, without consecutive collinear links.at n=7A220710