Properties of the Number -128161

One Hundred Twenty-Eight Thousand One Hundred Sixty-One

Basics

Value: -128162 → -128161 → -128160

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 11 × 61 × 191

Divisors: 1, 11, 61, 191, 671, 2101, 11651, 128161

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11111010010100001

Octal: -372241

Duodecimal: -62201

Hexadecimal: -1f4a1

Square: 16425241921

Square Root: 357.9958100313466

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 (w,x,y,z) with all terms in {1,...,n} and w<2x+y+z. A212145

a(n) is the integer w such that (L(2·n)², -L(2·n-1)², -w) is a primitive solution to the Diophantine equation 2·x³ + 2·y³ + z³ = 125, where L(n) is the n-th Lucas number (A000032). A354336