9325
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 19
- Digital Root
- 1
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 6
- Divisor Sum
- 11594
- Proper Divisor Sum (Aliquot Sum)
- 2269
- 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
- 7440
- Möbius Function
- 0
- Radical
- 1865
- Omega Function (Ω)
- 3
- 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
- 109
- 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) = n^3 + 3*n + 1.at n=21A005491
- [ exp(8/13)*n! ].at n=6A030926
- Odd numbers with only palindromic prime factors whose sum is palindromic (counted with multiplicity).at n=30A046356
- Expansion of e.g.f. exp((exp(x)-1)^2/2).at n=8A060311
- Centered 14-gonal numbers.at n=36A069127
- 33-gonal numbers: n(31n-29)/2.at n=25A098923
- Number of compositions of n which are prime when concatenated and read as a decimal string.at n=16A116381
- Smallest number m such that A118164(m) = n.at n=12A118165
- 3-almost primes that are the sum of 2 positive cubes. Sums of 2 positive cubes, with the sums having exactly 3 prime divisors counted with multiplicity.at n=33A122732
- Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, -1, 1), (-1, 1, 1), (1, 0, 0), (1, 1, -1)}.at n=9A148280
- a(n) = 2809*n^2 - 1000*n + 89.at n=1A157760
- Expansion of (1 + 10*x + 20*x^2 + 10*x^3 + x^4)/(1-x)^5.at n=8A160747
- Index k of the semiprime A001358(k) = prime(n) * prime(n+1).at n=43A172348
- Composite numbers of form 8n+5 with all prime factors of form 8m+5.at n=37A175486
- Augmentation of the triangle A011973. See Comments.at n=31A193607
- Ceiling((n+1/n)^3).at n=20A197773
- Number of nX4 0,1 arrays with the row and column sums nondecreasing.at n=4A202556
- Number of nX5 0,1 arrays with the row and column sums nondecreasing.at n=3A202557
- T(n,k)=Number of nXk 0,1 arrays with the row and column sums nondecreasing.at n=31A202560
- T(n,k)=Number of nXk 0,1 arrays with the row and column sums nondecreasing.at n=32A202560