Properties of the Number -86981

Eighty-Six Thousand Nine Hundred Eighty-One

Basics

Value: -86982 → -86981 → -86980

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 86981

Divisors: 1, 86981

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10101001111000101

Octal: -251705

Duodecimal: -42405

Hexadecimal: -153c5

Square: 7565694361

Square Root: 294.9254142999548

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

Let a(1)=1; for n>1, a(n)=nextprime((π/2)*a(n-1)). A84572