Properties of the Number -260641

Two Hundred Sixty Thousand Six Hundred Forty-One

Basics

Value: -260642 → -260641 → -260640

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 71 × 3671

Divisors: 1, 71, 3671, 260641

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -111111101000100001

Octal: -775041

Duodecimal: -106A01

Hexadecimal: -3fa21

Square: 67933730881

Square Root: 510.5301166434748

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) = ∑_{1 <= x₁, x₂, x₃, x₄ <= n} gcd(x₁, x₂, x₃, x₄, n)⁴. A372931

a(n) = 648·n² + 72·n + 1. A154515

a(n) = 10368·n² + 288·n + 1. A157326

Numerators of continued fraction convergents to sqrt(905). A42748