Properties of the Number -108691

One Hundred Eight Thousand Six Hundred Ninety-One

Basics

Value: -108692 → -108691 → -108690

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 11 × 41 × 241

Divisors: 1, 11, 41, 241, 451, 2651, 9881, 108691

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11010100010010011

Octal: -324223

Duodecimal: -52A97

Hexadecimal: -1a893

Square: 11813733481

Square Root: 329.6831812513341

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

Real part of (1 + 2·i)ⁿ, where i is sqrt(-1). A6495

Column 0 of triangle A118435. A118436

Expansion of 1/(1 - 4·x + 5·x²). A99456

Values of·such that x² + y² = 5ⁿ with·and y coprime and 0 < x < y. A230710

Let (A,B)=(a(2·n),a(2·n+1)), then (A,B) is (even,odd), gcd(A,B)=1 and A² + B² = 5ⁿ. Note: a(0)=0. A98122

Column 0 of triangle A118438. A118439

Class numbers of fields in A085715. A85716