Properties of the Number -199191

One Hundred Ninety-Nine Thousand One Hundred Ninety-One

Basics

Value: -199192 → -199191 → -199190

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 67 × 991

Divisors: 1, 3, 67, 201, 991, 2973, 66397, 199191

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -110000101000010111

Octal: -605027

Duodecimal: -97333

Hexadecimal: -30a17

Square: 39677054481

Square Root: 446.30818948345546

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

List of words over {1,9} with equal numbers of 1's and 9's. A214532

a(n) = [xⁿ] ∏_k=1..n (x^k*(k+1/2) + 1 + 1/x^k*(k+1/2)). A369495