Properties of the Number 28064

Twenty-Eight Thousand Sixty-Four

Basics

Value: 28063 → 28064 → 28065

Parity: even

Prime: No

Previous Prime: 28057

Next Prime: 28069

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ⁵ × 877

Divisors: 1, 2, 4, 8, 16, 32, 877, 1754, 3508, 7016

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110110110100000

Octal: 66640

Duodecimal: 142A8

Hexadecimal: 6da0

Square: 787588096

Square Root: 167.5231327309754

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00000111. A260070

Rotating digits of a(n)² right once still yields a square. A45877

a(n) = ∑_i=0..n digsum₈(i)³, where digsum₈(i) = A053829(i). A231682

Seventh column of triangle A055252. A55583

Number of those nonnegative integer solutions of the congruence x₁+2x₂+...+(n-1)x_n-1 = 0 (mod n) which are indecomposable, that is, are not nonnegative linear combinations of other nonnegative integer solutions. A96337

L.g.f.: log(G(x)/x) where G(x) is the g.f. of A259270. A259272

Number of closed walks of length 16 and algebraic area n in the square lattice. A178106

Number of ordered triples (w,x,y) with all terms in {-n,...-1,1,...,n} and w²>x²+y². A211631

Number of (n+2) X (2+2) 0..1 arrays with each 3 X 3 subblock having clockwise perimeter pattern 00000001 00000011 or 00000111. A260064

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 793", based on the 5-celled von Neumann neighborhood. A273566