3192
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 15
- Digital Root
- 6
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 32
- Divisor Sum
- 9600
- Proper Divisor Sum (Aliquot Sum)
- 6408
- 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
- 864
- Möbius Function
- 0
- Radical
- 798
- Omega Function (Ω)
- 6
- 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
- yes
Recreational
- Happy Number
- no
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 123
- 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) = 2*n*(2*n+1).at n=28A002943
- Numbers n such that n! has a square number of digits.at n=43A006488
- Oscillates under partition transform.at n=47A007212
- Coordination sequence T4 for Zeolite Code AET.at n=39A008010
- Coordination sequence T1 for Cordierite.at n=34A008251
- Expansion of e.g.f. cosh(log(1+x)*cos(x)).at n=8A009133
- If a, b in sequence, so is ab+8.at n=18A009331
- E.g.f. tan(x)*exp(x).at n=8A009739
- E.g.f. tan(x)*sinh(x) (even powers only).at n=4A009747
- Numbers k such that the geometric mean of phi(k) and sigma(k) is an integer.at n=37A011257
- Coordination sequence T3 for Zeolite Code OSI.at n=37A016432
- Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite CON = CIT-1 H2[B2Si54O112] starting with a T6 atom.at n=11A019096
- Number of recursive calls needed to compute the n-th Fibonacci number F(n), starting with F(1) = F(2) = 1.at n=16A019274
- a(n) = n*(25*n - 1)/2.at n=16A022282
- a(n) = (-1 + prime(n+1)^2)/4.at n=28A024701
- s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (Fibonacci numbers), t = A014306.at n=33A025087
- Index of 6^n within the sequence of the numbers of the form 2^i*6^j.at n=49A025712
- Sequence satisfies T^2(a)=a, where T is defined below.at n=47A027595
- Denominators of poly-Bernoulli numbers B_n^(k) with k=2.at n=19A027644
- Number of connected functions on n points with a loop of length 7.at n=7A029870