Properties of the Number 68423

Sixty-Eight Thousand Four Hundred Twenty-Three

Basics

Value: 68422 → 68423 → 68424

Parity: odd

Prime: No

Previous Prime: 68399

Next Prime: 68437

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 53 × 1291

Divisors: 1, 53, 1291, 68423

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000101101000111

Octal: 205507

Duodecimal: 3371B

Hexadecimal: 10b47

Square: 4681706929

Square Root: 261.57790426563173

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

Triangle T(n,k) of number of digraphs with a source and a sink on n unlabeled nodes and k arcs, k=0..n*(n-1). A57278

Number of n-bit legal circular binary words with maximal set of 1's. A253413

G.f.: ∏_k>=1 (1 + 2·x^k²) / (1-x^k). A280224

Numbers k such that σ(k) = 2*φ(k+1). A68423