3589
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
- 4
- Divisor Sum
- 3724
- Proper Divisor Sum (Aliquot Sum)
- 135
- 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
- 3456
- Möbius Function
- 1
- Radical
- 3589
- Omega Function (Ω)
- 2
- 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
- 69
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- yes
- 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
- no
- Odd
- yes
Appears in sequences
- Sum of 12 positive 9th powers.at n=7A004801
- Pseudoprimes to base 6.at n=15A005937
- For any circular arrangement of 0..n-1, let S = sum of squares of every sum of two contiguous numbers; then a(n) = # of distinct values of S.at n=27A007773
- Molien series for A_9.at n=31A008632
- Number of partitions of n into at most 9 parts.at n=31A008638
- Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite BEA = Beta Na7[Al7Si57O128] starting with a T7 atom.at n=11A019073
- Pseudoprimes to base 36.at n=30A020164
- Pseudoprimes to base 75.at n=26A020203
- Strong pseudoprimes to base 6.at n=5A020232
- Strong pseudoprimes to base 36.at n=10A020262
- Numbers k such that the continued fraction for sqrt(k) has period 47.at n=4A020386
- Coordination sequence T4 for Zeolite Code MWW.at n=40A024989
- Number of partitions of n in which the greatest part is 9.at n=40A026815
- "CGK" (necklace, element, unlabeled) transform of 2,2,2,2,...at n=14A032156
- Numbers n such that string 8,9 occurs in the base 10 representation of n but not of n-1.at n=35A044421
- Numbers k such that string 8,9 occurs in the base 10 representation of k but not of k+1.at n=35A044802
- Number of binary words of length n (beginning 0) with autocorrelation function 2^(n-1)+2.at n=15A045692
- Becomes prime after exactly 6 iterations of f(x) = sum of prime factors of x.at n=33A047825
- Becomes prime or 4 after exactly 7 iterations of f(x) = sum of prime factors of x.at n=42A048129
- Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 15.at n=5A051980