2912
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 14
- Digital Root
- 5
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 24
- Divisor Sum
- 7056
- Proper Divisor Sum (Aliquot Sum)
- 4144
- 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
- 1152
- Möbius Function
- 0
- Radical
- 182
- Omega Function (Ω)
- 7
- 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
- 97
- 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
- Number of n-node rooted trees of height 3.at n=14A000235
- Number of nonequivalent dissections of an n-gon into n-4 polygons by nonintersecting diagonals up to rotation.at n=6A003445
- Coefficients of Chebyshev T polynomials: a(n) = A053120(n+8, n), n >= 0.at n=5A006974
- Coordination sequence T2 for Zeolite Code LEV.at n=40A008128
- Triangle of coefficients of Chebyshev polynomials T_n(x).at n=51A008310
- Coordination sequence T2 for Zeolite Code VNI.at n=33A009908
- a(n) = floor(n*(n-1)*(n-2)*(n-3)/15).at n=16A011925
- Expansion of (1+2*x) / (1-2*x)^4.at n=5A014483
- Theta series of D*_14 lattice.at n=6A022067
- [ (3rd elementary symmetric function of 3,4,...,n+4)/(3+4+...+n+4) ].at n=12A024191
- Numbers that are the sum of 4 nonzero squares in exactly 7 ways.at n=33A025363
- a(n) = T(2n,n-1), where T is defined in A026022.at n=6A026030
- a(n) = dot_product(1,2,...,n)*(3,4,...,n,1,2).at n=18A026037
- Numbers k such that Hofstadter Q-sequence Q(k) (A005185) satisfies Q(k) = k/2.at n=39A027619
- Triangle of coefficients in expansion of sin(n*x) (or sin(n*x)/cos(x) if n is even) in ascending powers of sin(x).at n=44A028298
- Even elements in the 5-Pascal triangle A028313.at n=51A028317
- Distinct even elements in the 5-Pascal triangle A028313.at n=28A028320
- Even elements to the right of the central elements of the 5-Pascal triangle A028313.at n=23A028321
- Elements to the right of the central elements of the 5-Pascal triangle A028313 that are not 1.at n=52A028324
- Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 25.at n=21A031523