9464
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 23
- Digital Root
- 5
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 4
Divisibility
- Divisor Count
- 24
- Divisor Sum
- 21960
- Proper Divisor Sum (Aliquot Sum)
- 12496
- 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
- 3744
- Möbius Function
- 0
- Radical
- 182
- Omega Function (Ω)
- 6
- 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
- 91
- 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
- Expansion of 1/((1+x)*(1-x)^5).at n=23A001752
- Octahedral torus number: a(n) = n^2 + 2*(Sum_{k=1..n-1} k^2) - 2*(floor((n+1)/2)^2 + 2*(Sum_{k=1..floor((n+1)/2)-1} k^2)) + (1 - (-1)^n)/2.at n=26A050442
- a(n) is the cototient of n^3.at n=25A053192
- Number of positive integers <= 2^n of form 7 x^2 + 9 y^2.at n=17A054188
- Numbers k that divide the sum of the first k unique partition numbers (A000009).at n=11A058858
- a(n) = floor(n^3/9).at n=44A061263
- Product of terms of continued fraction expansion of (3/2)^n.at n=13A071337
- a(n) = 4*a(n-1) + 6*a(n-2), a(0)=1, a(1)=2.at n=6A084132
- First differences of A084449.at n=31A084465
- a(n) = (p^2 - 1) / 12, where p is the n-th prime of the form 4*k+1.at n=31A109255
- 6-almost primes with semiprime digits (digits 4, 6, 9 only).at n=6A111730
- a(n) = n^2*(n^2 - 1)/3.at n=13A112742
- Row sums of correlation triangle for floor((n+4)/4).at n=46A115269
- Column 3 of triangle A123610.at n=11A123613
- Exponential aspiring numbers.at n=13A127658
- Number of "hyperforests" on n unlabeled nodes, i.e., hypergraphs that have no cycles, assuming that each edge contains at least two vertices.at n=11A134955
- Wiener index of the prism graph Y_n on 2n nodes.at n=25A138179
- a(n) = (prime(n)^4 - prime(n)^2)/3.at n=5A138419
- a(n) = 14*n^2.at n=26A144555
- Number of disconnected 2-regular graphs on n vertices.at n=51A165652