3576
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 21
- Digital Root
- 3
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 16
- Divisor Sum
- 9000
- Proper Divisor Sum (Aliquot Sum)
- 5424
- 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
- 1184
- Möbius Function
- 0
- Radical
- 894
- Omega Function (Ω)
- 5
- 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
- 100
- 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
- Number of strongly asymmetric sequences of length n.at n=7A002842
- Coordination sequence T1 for Zeolite Code VFI.at n=46A008245
- Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite MFI = ZSM-5 Nan[AlnSi96-nO192] starting with a T12 atom.at n=11A019167
- a(n) = T(n,n) + T(n,m+1) + ... + T(n,n), where m=[ (n+2)/2 ], T given by A027011.at n=10A027021
- Coordination sequence T2 for Zeolite Code SAT.at n=43A027374
- Expansion of (1+x^2-x^3)/(1-x)^4.at n=25A027378
- Expansion of (theta_3(z)*theta_3(15z) + theta_2(z)*theta_2(15z))^3.at n=38A028627
- Number of partitions of n into parts 5k+1 or 5k+2.at n=53A035371
- Base-5 palindromes that start with 1.at n=40A043006
- Numbers n such that string 7,6 occurs in the base 10 representation of n but not of n-1.at n=38A044408
- Numbers n such that string 7,6 occurs in the base 10 representation of n but not of n+1.at n=38A044789
- a(n)^2 is the smallest square containing exactly n 7's.at n=3A048352
- McKay-Thompson series of class 20E for Monster.at n=17A058554
- Dimension of the space of weight n cuspidal newforms for Gamma_1( 75 ).at n=26A063348
- a(n) = (11*n^2 - 11*n + 2)/2.at n=25A069125
- Indices of spheres mentioned in A071609.at n=38A076180
- 2-apexes of Omega: numbers k such that Omega(k-2)< Omega(k-1) < Omega(k) > Omega(k+1) > Omega(k+2), where Omega(m) = the number of prime factors of m, counting multiplicity.at n=39A076759
- Smallest multiple of the n-th prime beginning with n.at n=34A078209
- Self-convolution of A093659, which is the first column of triangle A093658.at n=45A093677
- Sum of the sides of ordered 2 X 2 prime squares.at n=21A105088