Properties of the Number -9471

Four Hundred Seventy-One

Basics

Value: -9472 → -9471 → -9470

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 7 × 11 × 41

Divisors: 1, 3, 7, 11, 21, 33, 41, 77, 123, 231

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10010011111111

Octal: -22377

Duodecimal: -5593

Hexadecimal: -24ff

Square: 89699841

Square Root: 97.31906288081488

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

Expansion of (1-x)^-1/(1+2·x²-x³). A77892

Octagonal pyramidal numbers: a(n) = n*(n+1)*(2·n-1)/2. A2414

MacMahon's generalized sum of divisors function. A2127

a(n) = binomial(n,3) - binomial(floor(n/2),3) - binomial(ceiling(n/2),3). A111384

A sequence of asymptotic density ζ(9) - 1, where ζ is the Riemann ζ function. A143035

11 times triangular numbers. A152740

-9-Knödel numbers. A225513

Vertex number of a square spiral in which the length of the first two edges are the legs of the primitive Pythagorean triple [21, 20, 29]. The edges of the spiral have length A195033. A195034

Structured icosidodecahedral numbers. A100147

Composite numbers k such that A075255(k) is a square. A386245