Properties of the Number 38681

Thirty-Eight Thousand Six Hundred Eighty-One

Basics

Value: 38680 → 38681 → 38682

Parity: odd

Prime: No

Previous Prime: 38677

Next Prime: 38693

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 47 × 823

Divisors: 1, 47, 823, 38681

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001011100011001

Octal: 113431

Duodecimal: 1A475

Hexadecimal: 9719

Square: 1496219761

Square Root: 196.67485858644974

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 f(-x) * ψ(x²) * φ(x³) / f(-x³)³ in powers of·where φ(), ψ(), f() are Ramanujan θ functions. A230256

a(n) is the greatest m such that ∑_{k = 1..m} 1/(1 + n·k) <= 1. A358464

Fifth powers ending nontrivially in a nonzero fifth power. A38681