Properties of the Number -288331

Two Hundred Eighty-Eight Thousand Three Hundred Thirty-One

Basics

Value: -288332 → -288331 → -288330

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 31 × 71 × 131

Divisors: 1, 31, 71, 131, 2201, 4061, 9301, 288331

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -1000110011001001011

Octal: -1063113

Duodecimal: -11AA37

Hexadecimal: -4664b

Square: 83134765561

Square Root: 536.9646170838447

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

Place n points in general position on each side of a square, and join every pair of the 4·n+4 boundary points by a chord; sequence gives number of regions in the resulting planar graph. A367121

G.f. A(x) satisfies: A( A(x)² - A(x)³ ) = x·A(x). A268655

Triangle read by rows: T(n,k) is the number of unlabeled weakly connected oriented graphs with n arcs and k vertices, k = 1..n+1. A350914