Properties of the Number 67687

Sixty-Seven Thousand Six Hundred Eighty-Seven

Basics

Value: 67686 → 67687 → 67688

Parity: odd

Prime: No

Previous Prime: 67679

Next Prime: 67699

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 113 × 599

Divisors: 1, 113, 599, 67687

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000100001100111

Octal: 204147

Duodecimal: 33207

Hexadecimal: 10867

Square: 4581529969

Square Root: 260.1672538964118

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

Numbers k such that 3^k + 22 is prime. A219042

Numbers k whose sum of digits exceeds the sum of the digits of k³. A64209

Expansion of e.g.f. exp(x) / (3 - 2·exp(3·x)). A368440

Expansion of 1/( 1 - x / ∏_n>=1 (1-xⁿ) ). A67687

a(1) = 7, a(n)= smallest n-th power obtained by inserting digits anywhere in a(n-1). A80810