Properties of the Number -127881

One Hundred Twenty-Seven Thousand Eight Hundred Eighty-One

Basics

Value: -127882 → -127881 → -127880

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 13 × 1093

Divisors: 1, 3, 9, 13, 39, 117, 1093, 3279, 9837, 14209

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -11111001110001001

Octal: -371611

Duodecimal: -62009

Hexadecimal: -1f389

Square: 16353550161

Square Root: 357.60453017264757

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

Wieferich numbers (1): n > 1 such that 2^A000010(n) == 1 (mod n²). A77816

a(n) = 2·n³ - 3·n + 1. A377663