9295
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
- 2
Divisibility
- Divisor Count
- 12
- Divisor Sum
- 13176
- Proper Divisor Sum (Aliquot Sum)
- 3881
- 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
- 6240
- Möbius Function
- 0
- Radical
- 715
- Omega Function (Ω)
- 4
- 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
- 60
- 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
- no
- Odd
- yes
Appears in sequences
- a(n) = |1^3 - 2^3 + 3^3 - 4^3 + ... + (-1)^(n+1)*n^3|.at n=26A011934
- a(n) = T(n,[ n/2 ]), where T is the array defined in A025177.at n=13A025189
- Partial sums of the partition numbers A000041 of the positive integers.at n=24A026905
- a(n) = (n+1)*binomial(n+1,4).at n=9A027764
- a(n) = (n+1)*binomial(n+1, 9).at n=4A027769
- Numbers n such that n divides the (left) concatenation of all numbers <= n written in base 19 (most significant digit on right and removing all least significant zeros before concatenation).at n=22A029536
- Number of nonempty subsets of {1,2,...,n} in which exactly 1/6 of the elements are <= (n-1)/3.at n=17A048014
- Number of nonempty subsets of {1,2,...,n} in which exactly 1/6 of the elements are <= (n-2)/3.at n=17A048025
- Number of nonempty subsets of {1,2,...,n} in which exactly 1/6 of the elements are <= (n-3)/3.at n=17A048036
- Digitally balanced numbers in both bases 2 and 3.at n=32A049361
- Odd squares written backwards and sorted.at n=40A107313
- a(n) = number of ways the set {1,2,...,n} can be split into proper subsets with equal sums.at n=16A112956
- Numbers k, not ending in 0, such that k times its digital reverse gives a number made of nontrivial runs of identical digits.at n=8A116065
- Numbers (excluding primes and powers of primes) such that the square mean of their prime factors is a prime (where the square mean of c and d is sqrt((c^2+d^2)/2)).at n=38A134604
- Composite numbers such that the square root of the sum of squares of their prime factors (with multiplicity) is an integer.at n=42A134605
- Numbers such that the square root of the sum of squares of their prime factors is a nonprime integer.at n=34A134606
- Matrix square of triangle V = A136230, read by rows.at n=24A136234
- 13 times pentagonal numbers: a(n) = 13*n*(3*n-1)/2.at n=22A153793
- Numbers of the form 12n+7 for which Sum_{i=0..(4n+2)} J(i,12n+7) = 0, where J(i,m) is the Jacobi symbol.at n=26A165463
- Totally multiplicative sequence with a(p) = a(p-1) + 6 for prime p.at n=44A166703