3238
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 16
- Digital Root
- 7
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 4860
- Proper Divisor Sum (Aliquot Sum)
- 1622
- 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
- 1618
- Möbius Function
- 1
- Radical
- 3238
- 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
- yes
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 48
- 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
- yes
- Odd
- no
Appears in sequences
- Chvatal conjecture for radius of graph of maximal intersecting sets.at n=13A007008
- 3x+1 sequence starting at 95.at n=57A008875
- Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite SGT = Sigma-2 [Si64O128].4R starting with a T1 atom.at n=11A019235
- a(n) = s(1)s(n) + s(2)s(n-1) + ... + s(k)s(n+1-k), where k = [ (n+1)/2 ], s = (composite numbers).at n=20A024588
- Squarefree n such that Q(sqrt(n)) has class number 5.at n=23A029705
- 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 56.at n=9A031554
- Concatenation of n and n + 6 or {n,n+6}.at n=31A032611
- Coordination sequence T8 for Zeolite Code STT.at n=38A038418
- Denominators of continued fraction convergents to sqrt(505).at n=5A041965
- Numbers n such that string 3,8 occurs in the base 10 representation of n but not of n-1.at n=35A044370
- Numbers n such that string 3,8 occurs in the base 10 representation of n but not of n+1.at n=35A044751
- Number of different energy states of n positive and n negative charges on a string.at n=8A045610
- Number of colors that can be mixed with up to n units of yellow, blue, red.at n=27A048134
- Expansion of (1-x^3)/(1-2x-x^3+x^4).at n=11A052903
- Number of 11-core partitions of n.at n=40A053691
- Number of nonnegative integer 3 X 3 matrices with sum of elements equal to n, up to rotational symmetry.at n=8A054771
- Triangle T(n,k) of n X n binary matrices with k=0..n^2 ones, up to rotational symmetry.at n=26A054772
- Positive numbers whose product of digits is 9 times their sum.at n=15A062041
- Integers whose sum of digits as well as product of digits is a nonzero square.at n=38A070713
- Number of separate orbits/cycles to which the Catalan bijection A057508 partitions each A000108(n) structures encoded in the range [A014137(n-1)..A014138(n-1)] of the sequence A014486/A063171.at n=9A073193