Properties of the Number 57187

Fifty-Seven Thousand One Hundred Eighty-Seven

Basics

Value: 57186 → 57187 → 57188

Parity: odd

Prime: No

Previous Prime: 57179

Next Prime: 57191

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 13 × 53 × 83

Divisors: 1, 13, 53, 83, 689, 1079, 4399, 57187

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101111101100011

Octal: 157543

Duodecimal: 29117

Hexadecimal: df63

Square: 3270352969

Square Root: 239.13803545233034

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(n) = 68·n² - 1. A158730

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 31 ones. A31799

Numbers n such that (21ⁿ+1)/22 is a prime. A57187