4392
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 18
- Digital Root
- 9
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 24
- Divisor Sum
- 12090
- Proper Divisor Sum (Aliquot Sum)
- 7698
- 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
- 1440
- Möbius Function
- 0
- Radical
- 366
- Omega Function (Ω)
- 6
- 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
- 95
- 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
- Numbers that are the sum of 3 positive 5th powers.at n=28A003348
- a(n) = floor(1000*log_2(n)).at n=20A004265
- a(n) = round(1000*log_2(n)).at n=20A004266
- Numbers that are the sum of at most 3 positive 5th powers.at n=48A004843
- Number of line-rooted projective plane trees with n nodes.at n=9A006081
- Largest number not the sum of distinct n-th-order polygonal numbers.at n=21A007419
- a(n) = floor(n*(n - 1)*(n - 2)/32).at n=53A011914
- Coordination sequence T5 for Zeolite Code MWW.at n=45A024990
- a(n) = least k such that 1+2+...+k >= E{1,2,...,n}, where E is the 3rd elementary symmetric function.at n=25A027917
- Expansion of (theta_3(z)*theta_3(15z) + theta_2(z)*theta_2(15z))^3.at n=47A028627
- Numbers whose set of base-11 digits is {2,3}.at n=29A032811
- Numbers whose set of base-11 digits is {3,4}.at n=14A032835
- Numbers whose set of base-11 digits is {1,3}.at n=29A032918
- Number of partitions of n with equal number of parts congruent to each of 0 and 3 (mod 4).at n=37A035542
- Coordination sequence T2 for Zeolite Code AFN.at n=47A038402
- Number of primes less than 1000n.at n=41A038812
- Denominators of continued fraction convergents to sqrt(735).at n=3A042415
- Numerators of continued fraction convergents to sqrt(846).at n=7A042632
- Positive integers having more base-11 runs of even length than odd.at n=35A044837
- a(n) in base 11 is a repdigit.at n=33A048335