3660
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
- 10416
- Proper Divisor Sum (Aliquot Sum)
- 6756
- 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
- 960
- Möbius Function
- 0
- Radical
- 1830
- 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
- yes
Recreational
- Happy Number
- no
- Harshad Number
- yes
- Narcissistic Number
- no
- Collatz Steps
- 131
- 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
- Coefficients of ménage hit polynomials.at n=4A000181
- Number of partitions of n that do not contain 1 as a part.at n=37A002865
- a(n) = 2*n*(2*n+1).at n=30A002943
- Coordination sequence T7 for Zeolite Code MTW.at n=40A008202
- Three-fold exponential convolution of primes with themselves.at n=4A014347
- Number of lines through exactly 7 points of an n X n grid of points.at n=46A018814
- Coordination sequence T3 for Zeolite Code CZP.at n=39A019458
- Fibonacci sequence beginning 0, 6.at n=15A022089
- Expansion of Product_{m>=1} (1+q^m)^(-5).at n=16A022600
- Expansion of Product_{m>=1} (1 + m*q^m)^-2.at n=18A022694
- Self-convolution of composite numbers.at n=16A023648
- Sorted Galois numbers.at n=21A028689
- Similar submodules in cubian ring of index f(n)^2 where f(n) is the n-th positive integer represented by the quadratic form x^2 - 2 y^2.at n=37A035285
- Product of a prime and the previous number.at n=17A036689
- Number of partitions satisfying 0 < cn(0,5) + cn(1,5) + cn(4,5).at n=28A039900
- Numbers n such that string 6,6 occurs in the base 10 representation of n but not of n-1.at n=36A044398
- Hexagonal matchstick numbers: a(n) = 3*n*(3*n+1).at n=20A045945
- Smallest oblong (promic) number containing exactly n 6's.at n=1A048542
- Iterated procedure 'composite k added to sum of its prime factors reaches a prime' yields 9 skipped primes.at n=31A050776
- Totients of consecutive pure powers of primes.at n=38A053198