3336
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
- 3
Divisibility
- Divisor Count
- 16
- Divisor Sum
- 8400
- Proper Divisor Sum (Aliquot Sum)
- 5064
- 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
- 1104
- Möbius Function
- 0
- Radical
- 834
- Omega Function (Ω)
- 5
- 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
- no
- Narcissistic Number
- no
- Collatz Steps
- 136
- 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
- Expansion of 6-dimensional cusp form (eta(q) * eta(q^3))^6 in powers of q.at n=38A007332
- Coordination sequence T1 for Zeolite Code BPH.at n=44A008055
- Coordination sequence T4 for Zeolite Code RSN.at n=38A009888
- Aliquot sequence starting at 564.at n=4A014361
- Numbers k such that k | 8^k + 8.at n=18A015897
- Coordination sequence T2 for Zeolite Code MWW.at n=38A024987
- a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (composite numbers), t = (odd natural numbers).at n=19A025104
- Number of polyhexes of class PF2 (with one catafusene annealated to pyrene).at n=6A026106
- Expansion of (theta_3(z)*theta_3(21z)+theta_2(z)*theta_2(21z))^4.at n=42A028652
- Concatenation of n and n + 3.at n=32A032608
- Decimal part of a(n)^(1/2) starts with reversal of its integer part: first term of runs.at n=41A034308
- Numbers having three 3's in base 10.at n=14A043503
- Numbers n such that string 3,6 occurs in the base 10 representation of n but not of n-1.at n=36A044368
- Numbers n such that string 3,6 occurs in the base 10 representation of n but not of n+1.at n=36A044749
- Coordination sequence T1 for Zeolite Code MSO.at n=40A047963
- 14-gonal (or tetradecagonal) numbers: a(n) = n*(6*n-5).at n=24A051866
- Discriminants of real quadratic number fields K with class number 2 such that the Hilbert class field of K is K(sqrt(2)).at n=51A052476
- a(n) = 4*n^2 - 9*n + 6.at n=29A054556
- Numbers n such that n | (sigma_5(n) - phi(n)^5).at n=13A055699
- Numbers k such that phi(x) = k has exactly 7 solutions.at n=25A060670