Properties of the Number -130981

One Hundred Thirty Thousand Nine Hundred Eighty-One

Basics

Value: -130982 → -130981 → -130980

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 130981

Divisors: 1, 130981

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11111111110100101

Octal: -377645

Duodecimal: -63971

Hexadecimal: -1ffa5

Square: 17156022361

Square Root: 361.91297296449596

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 compositions of n that are neither strictly increasing nor strictly decreasing. A337481

a(n) = 2ⁿ⁺³ - 6·n - 7. A320661