3338
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
- 4
- Divisor Sum
- 5010
- Proper Divisor Sum (Aliquot Sum)
- 1672
- 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
- 1668
- Möbius Function
- 1
- Radical
- 3338
- Omega Function (Ω)
- 2
- 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
- yes
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 136
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- yes
- Squarefree Number
- yes
- 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
- Coordination sequence T7 for Zeolite Code MTW.at n=38A008202
- Coordination sequence T7 for Zeolite Code NES.at n=37A008211
- Coordination sequence T4 for Zeolite Code SGT.at n=36A008232
- a(n) = floor( n*(n-1)*(n-2)*(n-3)/22 ).at n=18A011932
- Twelve iterations of Reverse and Add are needed to reach a palindrome.at n=14A015993
- Number of integer points (x,y,z) at distance <= 0.5 from sphere of radius n.at n=16A016728
- Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite BEA = Beta Na7[Al7Si57O128] starting with a T8 atom.at n=11A019074
- Coordination sequence T2 for Zeolite Code CGF.at n=40A019452
- Numbers k such that the continued fraction for sqrt(k) has period 13.at n=20A020352
- Main diagonal of Wythoff array: w(n,n)=[ n*tau ]F(n+1)+(n-1)F(n), where tau=(1+sqrt(5))/2, F(n) = Fibonacci numbers.at n=10A020941
- Fibonacci sequence beginning 3, 7.at n=14A022120
- a(n) = least m such that if r and s in {1/1, 1/3, 1/5, ..., 1/(2n-1)} satisfy r < s, then r < k/m < (k+2)/m < s for some integer k.at n=25A024841
- a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (1, p(1), p(2), ...), t = (composite numbers).at n=21A025100
- a(n) = Sum_{k=0..n} (k+1) * A026736(n,k).at n=9A027219
- Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted then there are a pair of central terms both equal to 4.at n=26A031417
- Number of series-reduced planted compound windmills with n leaves of 2 colors where any 2 submills extending from the same node are different.at n=8A032163
- Concatenation of n and n + 5 or {n,n+5}.at n=32A032610
- Trajectory of 1 under map n->47n+1 if n odd, n->n/2 if n even.at n=8A033979
- Main diagonal of the Stolarsky array.at n=10A035489
- Trajectory of 3 under map n -> 47n+1 if n odd, n->n/2 if n even.at n=3A037121