3399
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 24
- Digital Root
- 6
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 4
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 4992
- Proper Divisor Sum (Aliquot Sum)
- 1593
- 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
- 2040
- Möbius Function
- -1
- Radical
- 3399
- Omega Function (Ω)
- 3
- 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
- 118
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- no
- 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
- no
- Odd
- yes
Appears in sequences
- Numbers n such that 54*10^n + 1 is prime.at n=9A004203
- Number of nonequivalent dissections of a polygon into n quadrilaterals by nonintersecting diagonals rooted at a cell up to rotation.at n=6A005033
- Coordination sequence T3 for Zeolite Code AFT.at n=44A008028
- Coordination sequence T1 for Zeolite Code EMT.at n=48A008086
- Coordination sequence T3 for Zeolite Code MFI.at n=37A008166
- Coordination sequence T6 for Zeolite Code MFI.at n=37A008169
- Coordination sequence T1 for Milarite.at n=36A008256
- a(n) is the concatenation of n and 3n.at n=32A019551
- Number of necklaces with 6 black beads and n-6 white beads.at n=16A032191
- Every run of digits of n in base 10 has length 2.at n=35A033008
- Numbers whose base-15 representation has exactly 4 runs.at n=8A043671
- Numbers n such that string 9,9 occurs in the base 10 representation of n but not of n-1.at n=33A044431
- Numbers n such that string 3,3 occurs in the base 10 representation of n but not of n+1.at n=33A044746
- Numbers n such that string 3,9 occurs in the base 10 representation of n but not of n+1.at n=37A044752
- Numbers n such that string 9,9 occurs in the base 10 representation of n but not of n+1.at n=33A044812
- Positive integers having more base-10 runs of even length than odd.at n=38A044836
- Composite numbers whose 3 prime factors are distinct in length.at n=18A046443
- Fibocyclotomic numbers: numbers formed from cyclotomic polynomials and Fibonacci numbers (A000045).at n=33A051258
- Local ranks of terms of A057122.at n=28A057124
- Multiples of 11 having only odd digits.at n=38A061833