Properties of the Number 68717

Sixty-Eight Thousand Seven Hundred Seventeen

Basics

Value: 68716 → 68717 → 68718

Parity: odd

Prime: No

Previous Prime: 68713

Next Prime: 68729

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 11 × 6247

Divisors: 1, 11, 6247, 68717

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000110001101101

Octal: 206155

Duodecimal: 33925

Hexadecimal: 10c6d

Square: 4722026089

Square Root: 262.1392759584111

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

Indices of primes in sequence defined by A(0) = 39, A(n) = 10·A(n-1) - 1 for n > 0. A101847

Expansion of g.f.: (1 + x² - x³)/(1 - x - x² + x³ - x⁵). A147604

a(n) = -1 if A067280(n) == 0 (mod 2), otherwise a(n) = A049240(n). A68717