Properties of the Number -88781

Eighty-Eight Thousand Seven Hundred Eighty-One

Basics

Value: -88782 → -88781 → -88780

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 7 × 11 × 1153

Divisors: 1, 7, 11, 77, 1153, 8071, 12683, 88781

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10101101011001101

Octal: -255315

Duodecimal: -43465

Hexadecimal: -15acd

Square: 7882065961

Square Root: 297.96140689693357

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

Number of inequivalent (mod D₈) ways to place 3 nonattacking knights on an n X n board. A243718

a(n) = n*(n + 1)*(5·n² + 5·n - 4)/12. A264853

Numbers n such that σ(n) - σ(reverse(n)) = φ(n). A71847