Properties of the Number -80921

Eighty Thousand Nine Hundred Twenty-One

Basics

Value: -80922 → -80921 → -80920

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 19 × 4259

Divisors: 1, 19, 4259, 80921

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10011110000011001

Octal: -236031

Duodecimal: -3A9B5

Hexadecimal: -13c19

Square: 6548208241

Square Root: 284.46616670528675

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 nodes in regular n-gon with all diagonals drawn. A7569

a(1) = 1, then multiply, add and subtract 2, 3, 4; 5, 6, 7; ... in that order. A77382

a(n) = 70·n² + 1. A158734