Properties of the Number -675490

Six Hundred Seventy-Five Thousand Four Hundred Ninety

Basics

Value: -675491 → -675490 → -675489

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 × 5 × 31 × 2179

Divisors: 1, 2, 5, 10, 31, 62, 155, 310, 2179, 4358

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10100100111010100010

Octal: -2447242

Duodecimal: -286AAA

Hexadecimal: -a4ea2

Square: 456286740100

Square Root: 821.8819866623188

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(0) = 2, a(1) = 5, a(n) = 4·a(n-1) - a(n-2). A144721

Values of·in the solutions to x² - 4xy + y² + 11 = 0, where 0 < x < y. A237250

a(n) = ∑_{k=0..floor(n/3)} Stirling2(k,n - 3·k). A357940