14147
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 17
- Digital Root
- 8
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 16896
- Proper Divisor Sum (Aliquot Sum)
- 2749
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 11592
- Möbius Function
- -1
- Radical
- 14147
- Omega Function (Ω)
- 3
- 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
- no
- Narcissistic Number
- no
- Collatz Steps
- 102
- 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
- no
- Odd
- yes
Appears in sequences
- Number of points of norm <= n in cubic lattice.at n=15A000605
- Numbers that are the sum of 7 nonzero 8th powers.at n=19A003385
- a(n) = (n-1)*n*(n+4)/6.at n=43A005581
- Euler transform of 5 4 3 2 1 1 1 1 1 1 1 ...at n=10A029861
- Values of Newton-Gregory forward interpolating polynomial (1/3)*(n-1)*(2*n+3)*(2*n-1).at n=22A030440
- Numbers that are the product of 3 prime factors whose concatenation is a palindrome.at n=31A046452
- Composites c whose decimal expansion ends with its largest prime factor.at n=34A050693
- Closed 3-dimensional ball numbers (version 1): a(n)= number of integer points (i,j,k) contained in a closed ball of diameter n, centered at (0,0,0).at n=30A053591
- Numbers n such that n divides the (left) concatenation of all numbers <= n written in base 12 (most significant digit on right).at n=2A061965
- Numbers k such that k divides the numerator of B(2k) (the Bernoulli numbers), but gcd(3k, 8^k+1) > 3.at n=32A070192
- Row sums of triangle A120072 (numerator triangle for H atom spectrum).at n=32A120074
- a(n) = 289*n^2 - 2*n.at n=6A158252
- Number of reduced words of length n in the Weyl group B_43.at n=3A162181
- Number of reduced words of length n in the Weyl group D_43.at n=3A162412
- a(n) = 6*a(n-1) - 7*a(n-2) for n > 1; a(0) = 1, a(1) = 7.at n=6A163348
- Expansion of 1/(1 - 7*x + 2*x^2).at n=5A186446
- Triangle read by rows: coefficients of third-order hypergeometric-harmonic polynomials.at n=31A222063
- Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 297", based on the 5-celled von Neumann neighborhood.at n=28A271150
- a(0) = 1 and a(n) = A005169(n) - A005169(n-1).at n=21A289080
- Expansion of Product_{k>=1} 1/(1 - x^k)^(k-phi(k)), where phi() is the Euler totient function (A000010).at n=29A307705