3824
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 17
- Digital Root
- 8
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 10
- Divisor Sum
- 7440
- Proper Divisor Sum (Aliquot Sum)
- 3616
- 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
- 1904
- Möbius Function
- 0
- Radical
- 478
- Omega Function (Ω)
- 5
- 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
- 56
- 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 bipartite partitions of n white objects and 3 black ones.at n=14A000412
- Coordination sequence T4 for Zeolite Code FER.at n=38A008109
- Coordination sequence T1 for Zeolite Code LOV.at n=41A008134
- Coordination sequence T2 for Coesite.at n=33A008268
- Coordination sequence T4 for Zeolite Code RSN.at n=40A009888
- Expansion of 1/((1-2*x)*(1-6*x)*(1-12*x)).at n=3A016309
- Number of lines through exactly 2 points of an n X n grid of points.at n=12A018809
- Expansion of 1/Product_{m>=1} (1 - m*q^m)^24.at n=3A022748
- Convolution of Fibonacci numbers and A001950.at n=12A023612
- Expansion of q^(5/24) / (eta(q) * eta(q^2)^2) in powers of q.at n=17A029862
- "BGK" (reversible, element, unlabeled) transform of 1,2,3,4,...at n=12A032063
- Every run of digits of n in base 15 has length 2.at n=27A033013
- Coordination sequence T4 for Zeolite Code CFI.at n=41A033602
- Multiplicity of highest weight (or singular) vectors associated with character chi_148 of Monster module.at n=39A034536
- Multiplicity of highest weight (or singular) vectors associated with character chi_194 of Monster module.at n=37A034582
- Number of partitions in parts not of the form 15k, 15k+3 or 15k-3. Also number of partitions with at most 2 parts of size 1 and differences between parts at distance 6 are greater than 1.at n=32A035957
- Coordination sequence T3 for Zeolite Code AFN.at n=44A038401
- Coordination sequence T5 for Zeolite Code STF.at n=41A038440
- Number of primes less than 1000n.at n=35A038812
- Numbers k such that the string 2,4 occurs in the base 10 representation of k but not of k-1.at n=42A044356