Properties of the Number 81339

Eighty-One Thousand Three Hundred Thirty-Nine

Basics

Value: 81338 → 81339 → 81340

Parity: odd

Prime: No

Previous Prime: 81331

Next Prime: 81343

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 19 × 1427

Divisors: 1, 3, 19, 57, 1427, 4281, 27113, 81339

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011110110111011

Octal: 236673

Duodecimal: 3B0A3

Hexadecimal: 13dbb

Square: 6616032921

Square Root: 285.1999298737642

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

Number of nonnegative solutions to (x₁)² + (x₂)² + ... + (x₁₀)² <= n. A341405

Numbers n such that σ(n²) modulo 4 = 1. A81339