3588
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
- 2
Divisibility
- Divisor Count
- 24
- Divisor Sum
- 9408
- Proper Divisor Sum (Aliquot Sum)
- 5820
- 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
- 1056
- Möbius Function
- 0
- Radical
- 1794
- 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
- no
Recreational
- Happy Number
- no
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 69
- 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
- Take solution to Pellian equation x^2 - n*y^2 = 1 with smallest positive y and x >= 0; sequence gives a(n) = y, or 0 if n is a square. A002350 gives values of x.at n=45A002349
- Degrees of irreducible representations of Fischer group Fi23.at n=2A003914
- Sum of 11 positive 9th powers.at n=7A004800
- Solution to Pellian: y such that x^2 - n*y^2 = +-1.at n=45A006703
- Solution to Pellian: y such that x^2 - n y^2 = +- 1, +- 4.at n=45A006705
- Coordination sequence T3 for Zeolite Code MFS.at n=37A008175
- Second coordinate of fundamental unit of real quadratic field with discriminant A003658(n), n >= 2.at n=55A014046
- Apply partial sum operator 4 times to Fibonacci numbers.at n=11A014166
- y values corresponding to the x values in A023677.at n=28A023678
- Number of distinct products ijk with 0 <= i,j,k <= n.at n=38A027426
- a(n) = T(n, 2*n-10), T given by A027926.at n=9A027933
- a(n) = T(2n, n+2), T given by A027935.at n=5A027938
- Numbers whose set of base-14 digits is {1,4}.at n=21A032826
- Smallest positive integer y satisfying the Pell equation x^2 - D*y^2 = 1 for nonsquare D.at n=39A033317
- Incrementally largest values of minimal y satisfying Pell equation x^2-Dy^2=1.at n=6A033319
- a(n) = (3*n+1)*(4*n+1).at n=17A033577
- Base 3 digital convolution sequence.at n=19A033640
- a(n) = n*(2*n^2 - 3*n + 4)/3.at n=18A037235
- Coordination sequence for Zeolite Code DFT.at n=41A038408
- Denominators of continued fraction convergents to sqrt(46).at n=11A041079