Properties of the Number -9528

Five Hundred Twenty-Eight

Basics

Value: -9529 → -9528 → -9527

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 ³ × 3 × 397

Divisors: 1, 2, 3, 4, 6, 8, 12, 24, 397, 794

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -10010100111000

Octal: -22470

Duodecimal: -5620

Hexadecimal: -2538

Square: 90782784

Square Root: 97.61147473529944

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

Riordan array ((1-x²)/(1+3x+x²),x/(1+3x+x²)). A110168

Triangle read by rows: characteristic polynomials of certain matrices, see Mathematica program. A124040

Triangle read by rows, T(n,k) = binomial(-k-n-1, -2·n-1)*E1(k+n, n), E1 the Eulerian numbers A173018, for n >= 0 and 0 <= k <= n. A321967

Number of benzenoids with 23 hexagons, C_2v symmetry and containing n carbon atoms. A123142

T(n,k)=Number of nXk 0..2 arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling two exactly once. A269035

T(n,k)=Number of nXk binary arrays with top left value 1 and no two ones adjacent horizontally, vertically, diagonally or antidiagonally. A228506

Numbers k such that 3·k! + 1 is prime. A76679

Triangle read by rows: T(n,k) is the number of permutations of 1..n arranged in a circle with exactly k descents. A334218

Principal diagonal of the convolution array A213828. A213829

Numbers k for which A003958(σ(k)) = 2·A003958(k), where A003958 is multiplicative with a(p^e) = (p-1)^e and σ is the sum of divisors function. A351447