Properties of the Number -641485

Six Hundred Forty-One Thousand Four Hundred Eighty-Five

Basics

Value: -641486 → -641485 → -641484

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 5 × 13 × 71 × 139

Divisors: 1, 5, 13, 65, 71, 139, 355, 695, 923, 1807

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10011100100111001101

Octal: -2344715

Duodecimal: -26B291

Hexadecimal: -9c9cd

Square: 411503005225

Square Root: 800.9275872386967

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

Expansion of (1 - x - 4·x²)/(1 - 2·x - 7·x² + 8·x³). A100305

a(n) = n⁴ - 3·n³ + 9·n² - 7·n + 5 (n>=1). A304162