1588
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 22
- Digital Root
- 4
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 6
- Divisor Sum
- 2786
- Proper Divisor Sum (Aliquot Sum)
- 1198
- 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
- 792
- Möbius Function
- 0
- Radical
- 794
- Omega Function (Ω)
- 3
- 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
- 29
- 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 (1+x^3)/((1-x)*(1-x^2)^2*(1-x^3)).at n=36A001973
- Numbers that are the sum of 6 positive 6th powers.at n=15A003362
- x^3 + n*y^3 = 1 is solvable.at n=35A005988
- Coordination sequence T2 for Zeolite Code EAB and OFF.at n=29A008083
- Coordination sequence T2 for Zeolite Code EPI.at n=25A008091
- Coordination sequence T1 for Zeolite Code ERI and OFF.at n=29A008093
- Coordination sequence T4 for Zeolite Code MEI.at n=29A008149
- Crystal ball sequence for planar net 4.8.8.at n=34A008577
- Expansion of 1/( Product_{j=0..5} (1-x^(2*j+1)) ).at n=55A008675
- Coordination sequence T3 for Zeolite Code CON.at n=28A009870
- Coordination sequence for MgCu2, Mg position.at n=10A009931
- Conjectured dimensions of spaces of weight systems of chord diagrams.at n=14A014595
- Number of lines through exactly 6 points of an n X n grid of points.at n=32A018813
- Number of lines through exactly 7 points of an n X n grid of points.at n=37A018814
- Numbers k such that the continued fraction for sqrt(k) has period 50.at n=3A020389
- Convolution of A000201 with itself.at n=14A023663
- Discriminants of quartic fields with 2 complex conjugates (negated).at n=33A023681
- a(n) = least m such that if r and s in {1/3, 1/6, 1/9,..., 1/3n} satisfy r < s, then r < k/m < s for some integer k.at n=26A024824
- s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (natural numbers), t = A001950 (upper Wythoff sequence).at n=17A024864
- Coordination sequence T1 for Zeolite Code IFR.at n=28A024982