Properties of the Number -128330

One Hundred Twenty-Eight Thousand Three Hundred Thirty

Basics

Value: -128331 → -128330 → -128329

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 5 × 41 × 313

Divisors: 1, 2, 5, 10, 41, 82, 205, 313, 410, 626

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11111010101001010

Octal: -372512

Duodecimal: -62322

Hexadecimal: -1f54a

Square: 16468588900

Square Root: 358.23176855214837

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

a(n) = floor(C(2n,n)/2ⁿ⁺¹). A24504

Number of positive integers <= 2ⁿ of form 3 x² + 9 y². A54166