17714
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 20
- Digital Root
- 2
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 4
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 28188
- Proper Divisor Sum (Aliquot Sum)
- 10474
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 8320
- Möbius Function
- -1
- Radical
- 17714
- 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
- 110
- 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
- yes
- Odd
- no
Appears in sequences
- Coordination sequence for Cr3Si, Cr position.at n=34A009928
- Fibonacci(4n+2)+3, or Fibonacci(2n-1)*Lucas(2n+3).at n=5A081073
- Number of evil primes (A027699) in range ]2^n,2^(n+1)].at n=18A095006
- Indices of primes in sequence defined by A(0) = 13, A(n) = 10*A(n-1) - 7 for n > 0.at n=10A102009
- a(n) = prime(n)^2 - prime(n^2). Commutator of (primes, squares) at n.at n=40A123914
- a(n) = Fibonacci(n) + 3.at n=22A157726
- a(n) = a(n-1) + Fibonacci(n), a(1)=5.at n=19A169622
- Number of (w,x,y,z) with all terms in {1,...,n} and 2w=x+y+z.at n=35A212068
- Expansion of Product_{k>=1} (1 - x^(6*k)) * (1 + x^(12*k-3)) * (1 + x^(12*k-9)) / ((1 - x^(4*k-2)) * (1 - x^(2*k))).at n=50A280948
- Numbers k such that k = x + y, k' = x' + y' and k'' = x'' + y'', where k' and k'' are the first and second arithmetic derivatives of k.at n=9A293252
- Number of surviving (but not bifurcating) odd nodes at generation n in the binary tree of persistently squarefree numbers (see A293230).at n=38A293519
- Starts of runs of 3 consecutive Zeckendorf-Niven numbers (A328208).at n=19A328210
- Positive numbers k such that -k, -(k + 1), and -(k + 2) are 3 consecutive negative negaFibonacci-Niven numbers (A331088).at n=40A331090
- Starts of runs of 3 consecutive integers that are all terms in A381581.at n=43A381583