Properties of the Number 66807

Sixty-Six Thousand Eight Hundred Seven

Basics

Value: 66806 → 66807 → 66808

Parity: odd

Prime: No

Previous Prime: 66797

Next Prime: 66809

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 13 × 571

Divisors: 1, 3, 9, 13, 39, 117, 571, 1713, 5139, 7423

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000010011110111

Octal: 202367

Duodecimal: 327B3

Hexadecimal: 104f7

Square: 4463175249

Square Root: 258.4705012182241

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 x*(2 - x - x² - 2·x³)/(1 - x - x²)². A339610

Integers of the form (2^k+1)/k. A66807