3850
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
- 1
Divisibility
- Divisor Count
- 24
- Divisor Sum
- 8928
- Proper Divisor Sum (Aliquot Sum)
- 5078
- 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
- 1200
- Möbius Function
- 0
- Radical
- 770
- Omega Function (Ω)
- 5
- Little Omega Function (ω)
- 4
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
- 51
- 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
- Degrees of irreducible representations of alternating group A_12.at n=38A003867
- Degrees of irreducible representations of alternating group A_12.at n=37A003867
- Coordination sequence T1 for Zeolite Code LIO.at n=43A008129
- Coordination sequence T2 for Zeolite Code AHT.at n=42A009867
- Prefix (or Levenshtein) codes for natural numbers.at n=26A010097
- Expansion of e.g.f. sec(exp(x)*log(x+1)).at n=7A012279
- a(n) = n*(n-1) + (n-2)*(n-3) + ... + 1*0 + 1 for n odd; otherwise, a(n) = n*(n-1) + (n-2)*(n-3) + ... + 2*1.at n=27A014112
- Weight distribution of [100,22,22] code associated with Hoffman-Singleton and Higman-Sims graphs.at n=16A015068
- Weight distribution of [100,22,22] code associated with Hoffman-Singleton and Higman-Sims graphs.at n=34A015068
- Weight distribution of [100,78,6] code associated with Hoffman-Singleton and Higman-Sims graphs.at n=3A015069
- Weight distribution of [100,22,32] code associated with Hoffman-Singleton and Higman-Sims graphs.at n=16A015070
- Weight distribution of [100,22,32] code associated with Hoffman-Singleton and Higman-Sims graphs.at n=34A015070
- Coordination sequence T5 for Zeolite Code CGF.at n=43A019455
- Number of singular 2 X 2 matrices over Z(n) (i.e., with determinant = 0).at n=13A020478
- a(n) = (1/(2n+1))*Multinomial(3n; n,n,n).at n=4A024486
- a(n) = [ 2nd elementary symmetric function of {sqrt(k+1)} ], k = 1,2,...,n.at n=23A025219
- (d(n)-r(n))/2, where d = A008778 and r is the periodic sequence with fundamental period (1,1,0,1).at n=32A026052
- Numbers k whose decimal representation, read as a base-24 value and divided by k, yields an integer.at n=15A032579
- Every run of digits of n in base 4 has length 2.at n=31A033002
- Related to deca-factorial numbers A045757.at n=2A035323