3252
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 12
- Digital Root
- 3
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 12
- Divisor Sum
- 7616
- Proper Divisor Sum (Aliquot Sum)
- 4364
- 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
- 1080
- Möbius Function
- 0
- Radical
- 1626
- 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
- yes
- Narcissistic Number
- no
- Collatz Steps
- 43
- 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
- Coordination sequence T1 for Zeolite Code GME and AFX.at n=43A008110
- Coordination sequence for FeS2-Marcasite, S position.at n=28A009954
- a(n) = floor( n*(n-1)*(n-2)/28 ).at n=46A011910
- Coordination sequence T1 for Zeolite Code CZP.at n=37A019456
- 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 38.at n=14A031536
- Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 38.at n=2A031716
- Sums of 6 distinct powers of 3.at n=24A038468
- Numerators of continued fraction convergents to sqrt(309).at n=8A041582
- Numbers n such that string 5,2 occurs in the base 10 representation of n but not of n-1.at n=35A044384
- Numbers n such that string 5,2 occurs in the base 10 representation of n but not of n+1.at n=35A044765
- Numbers whose base-5 representation contains exactly three 0's and two 1's.at n=22A045171
- T(n,n-1), array T as in A047089.at n=7A047092
- Number of graphs with n nodes and n+2 edges.at n=5A048180
- Sum of a(n) terms of 1/k^(2/3) first exceeds n.at n=42A056178
- Occurrences of most frequently occurring number in 1-to-n 4-dimensional multiplication table.at n=42A057341
- Occurrences of most frequently occurring number in 1-to-n 4-dimensional multiplication table.at n=41A057341
- Occurrences of most frequently occurring number in 1-to-n 4-dimensional multiplication table.at n=43A057341
- n*M127 - 1 is prime, where M127 = 2^127 - 1.at n=29A057441
- Numbers k such that (3^k + 5)/2 is prime.at n=18A058960
- Numbers k such that phi(x) = k has exactly 5 solutions.at n=35A060668