6799
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 31
- Digital Root
- 4
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 7336
- Proper Divisor Sum (Aliquot Sum)
- 537
- 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
- 6264
- Möbius Function
- 1
- Radical
- 6799
- 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
- no
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 119
- 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
- no
- Odd
- yes
Appears in sequences
- Number of graphical partitions of 2n.at n=17A000569
- Denominators of continued fraction convergents to fifth root of 2.at n=8A002361
- Pseudoprimes to base 61.at n=46A020189
- Numbers k such that the continued fraction for sqrt(k) has period 92.at n=11A020431
- Number of distinct products ijk with 0 <= i,j,k <= n.at n=48A027426
- Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 38 ones.at n=38A031806
- Numbers with exactly five distinct base-9 digits.at n=26A031986
- Number of primes corresponding to n-th primeval number A072857(n).at n=51A076497
- Number of squares on infinite quarter chessboard at <=n knight moves from the corner.at n=44A098500
- A bisection of A000960.at n=46A099061
- Generalized Mancala solitaire (A002491); to get n-th term, start with n and successively round up to next 8 multiples of n-1, n-2, ..., 1, for n>=1.at n=42A113745
- Start with 1 and repeatedly reverse the digits and add 55 to get the next term.at n=21A118161
- Maximal number of squares of side 1 in a disk of radius n.at n=46A125228
- Row sums of the inverse of the triangle A(n,k) = 1/F(n+1) if k <= n <= 2k, 0 otherwise.at n=21A127712
- A bisection of the row sums of the inverse of the triangle A(n,k) = 1/F(n+1) if k <= n <= 2k, 0 otherwise.at n=10A127713
- Records in A064844.at n=19A135987
- Number of n X n binary arrays symmetric about both diagonal and antidiagonal with all ones connected only in an em 1,1 1,2 2,2 2,3 3,3 in any orientation.at n=11A146148
- a(n) = 200*n - 1.at n=33A157955
- a(n) = 400*n - 1.at n=16A158317
- a(n) = 68*n^2 - 1.at n=9A158730