8386
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 25
- Digital Root
- 7
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 14400
- Proper Divisor Sum (Aliquot Sum)
- 6014
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 3588
- Möbius Function
- -1
- Radical
- 8386
- 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
- 65
- 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
- Number of Twopins positions.at n=46A005686
- Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite MEL = ZSM-11 Nan[AlnSi96-nO192] starting with a T6 atom.at n=12A019154
- Expansion of Product_{m>=1} (1+q^m)^(-14).at n=6A022609
- a(n) = (9*n^2 + 3*n + 2)/2.at n=43A038764
- Base-4 palindromes that start with 2.at n=45A043004
- Base-8 palindromes that start with 2.at n=21A043022
- Third row of Pascal-(1,4,1) array A081579.at n=26A081587
- Antidiagonal sums of the triangle A099557.at n=22A099558
- Structured tetrakis hexahedral numbers (vertex structure 5).at n=13A100174
- Numbers n such that 2*10^n + 5*R_n + 4 is prime, where R_n = 11...1 is the repunit (A002275) of length n.at n=5A102956
- Largest number k for which the n-th prime is the median of the largest prime dividing the first k integers.at n=39A126283
- Row sums of triangle A132071.at n=13A132072
- a(n) = 5*n^2 + 20*n + 1.at n=39A162316
- Partial sums of A018190.at n=8A176638
- Number of nondecreasing arrangements of n+2 numbers in 0..8 with the last equal to 8 and each after the second equal to the sum of one or two of the preceding three.at n=26A190040
- Number of free poly-IH12-tiles (holes allowed) with n cells.at n=7A197553
- G.f.: A(x) = Sum_{n>=0} x^(n*(n+1)/2) / Product_{k=1..n} (1-x^k)^(n-k+1).at n=21A206139
- Number of (w,x,y,z) with all terms in {0,...,n} and |w-x|=max{w,x,y,z}-min{w,x,y,z}.at n=13A212755
- Number of free poly-IH9-tiles (holes allowed) with n cells.at n=7A213950
- Power floor sequence of 3+sqrt(10).at n=4A218991