14016
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
- 28
- Divisor Sum
- 37592
- Proper Divisor Sum (Aliquot Sum)
- 23576
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 4608
- Möbius Function
- 0
- Radical
- 438
- Omega Function (Ω)
- 8
- 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
- 58
- 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 fixed 2-dimensional triangular-celled animals with n cells (n-iamonds, polyiamonds) in the 2-dimensional hexagonal lattice.at n=10A001420
- Number of 5-line partitions of n.at n=17A001452
- Coefficients of Jacobi Eisenstein series of index 1 and weight 8.at n=7A003783
- 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 59.at n=29A031557
- Coordination sequence for lattice D*_12 (with edges defined by l_1 norm = 1).at n=4A035475
- Number of points of L1 norm 4 in cubic lattice Z^n.at n=12A035598
- Coordination sequence for 12-dimensional cubic lattice.at n=4A035707
- Coordination sequence for C_12 lattice.at n=2A035749
- Coordination sequence for diamond structure D^+_12. (Edges defined by l_1 norm = 1.)at n=4A035882
- Expansion of 1/(1-x^2-2*x^3).at n=25A052947
- Number of nodes in virtual, "optimal", chordal graphs of diameter 4 and degree n+1.at n=21A067956
- Structured heptagonal anti-diamond numbers (vertex structure 7).at n=15A100186
- Expansion of (1 + x)^2 / ((1 - x^2 - 2*x^3)*(1 + x^4)).at n=23A107849
- a(n) = 11^n - 5^n.at n=4A139743
- Number of binary words of length n containing at least one subword 1001 and no subwords 10^{i}1 with i<2.at n=25A143282
- Differences of two coprime 4th powers.at n=42A147858
- a(n) = (p(n)*p(n+2) - p(n+1))/2, where p(n) is the n-th odd prime.at n=36A152531
- a(n) = 2*{0,a(n-2),0} + 2*{-1/2,a(n-1)}+2*{a(n-1),-1/2}.at n=39A152602
- a(n) = 2*{0,a(n-2),0} + 2*{-1/2,a(n-1)}+2*{a(n-1),-1/2}.at n=41A152602
- 4 times 9-gonal numbers: a(n) = 2*n*(7*n-5).at n=32A152760