4740
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 15
- Digital Root
- 6
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 24
- Divisor Sum
- 13440
- Proper Divisor Sum (Aliquot Sum)
- 8700
- 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
- 1248
- Möbius Function
- 0
- Radical
- 2370
- 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
- yes
- Narcissistic Number
- no
- Collatz Steps
- 152
- 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
- Coefficient of x^7 in expansion of (1+x+x^2)^n.at n=6A005715
- Number of set-like molecular species of degree n.at n=18A007649
- Coordination sequence T5 for Zeolite Code HEU.at n=45A008120
- Form array in which n-th row is obtained by expanding (1+x+x^2)^n and taking the 3rd column from the center.at n=7A014532
- Coordination sequence T1 for Zeolite Code TER.at n=46A016433
- Number of partitions of n into an even number of parts, the least being 3; also, a(n+3) = number of partitions of n into an odd number of parts, each >=3.at n=53A027195
- Number of partitions of n that do not contain 2 as a part.at n=35A027336
- Distinct even elements in the 5-Pascal triangle A028313.at n=33A028320
- Even elements to the right of the central elements of the 5-Pascal triangle A028313.at n=30A028321
- "BGK" (reversible, element, unlabeled) transform of 1,0,1,0,...at n=48A032059
- "DHK[ 8 ]" (bracelet, identity, unlabeled, 8 parts) transform of 1,1,1,1,...at n=10A032249
- Number of indecomposable binary [ n,3 ] codes without 0 columns.at n=24A034350
- Bit-reversing masks for 2*n bits.at n=2A036214
- Base-9 palindromes that start with 6.at n=15A043033
- Number of nonempty subsets of {1,2,...,n} in which exactly 3/4 of the elements are <= n/2.at n=18A047164
- Number of nonempty subsets of {1,2,...,n} in which exactly 3/4 of the elements are <= (n-1)/2.at n=18A047175
- Number of 2-colored generalized Frobenius partitions.at n=13A051136
- Susceptibility series H_3 for 2-dimensional Ising model (divided by 2).at n=10A054410
- Numbers n such that n | sigma_13(n).at n=15A055717
- Coordination sequence T6 for Zeolite Code MTF.at n=41A057309