9536
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
- 2
Divisibility
- Divisor Count
- 14
- Divisor Sum
- 19050
- Proper Divisor Sum (Aliquot Sum)
- 9514
- 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
- 4736
- Möbius Function
- 0
- Radical
- 298
- Omega Function (Ω)
- 7
- Little Omega Function (ω)
- 2
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
- 29
- 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
- Numbers that are the sum of 4 nonzero squares in exactly 10 ways.at n=43A025366
- Numbers with 14 divisors.at n=39A030632
- 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 47.at n=36A031545
- Number of partitions of n with equal nonzero number of parts congruent to each of 1, 3 and 4 (mod 5).at n=58A035590
- Theta series of D8 lattice with respect to midpoint of edge.at n=10A045820
- a(n) = |{m : multiplicative order of 5 mod m=n}|.at n=35A059887
- a(n) = n*(7*n^2-4)/3.at n=16A063521
- a(n) = floor(5^n/2^n).at n=10A094969
- a(n) = 4*(n-1)*a(n-1) -2*(n-1)*a(n-2), with a(0)=0, a(1)=2.at n=5A108208
- The sum of the principal diagonals of an n X n spiral.at n=24A137930
- Sum of the principal diagonals of a 2n X 2n square spiral.at n=12A137931
- Concatenation of first two digits and last two digits of n-th even perfect number.at n=37A138875
- a(n) = 289*n - 1.at n=32A158253
- Difference A063990(2n)-A063990(2n-1) between amicable numbers.at n=30A178542
- Numbers with prime factorization p*q^6.at n=38A189987
- a(n) = sum of unsigned coefficients in (1+x+x^2-x^3)^n.at n=9A192210
- Floor((n+1/n)^10).at n=1A197711
- Triangle of coefficients of polynomials v(n,x) jointly generated with A207622; see the Formula section.at n=53A207623
- Even numbers in A221715.at n=47A213218
- 6^n mod 10000.at n=26A216128