Properties of the Number 72868

Seventy-Two Thousand Eight Hundred Sixty-Eight

Basics

Value: 72867 → 72868 → 72869

Parity: even

Prime: No

Previous Prime: 72859

Next Prime: 72869

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 18217

Divisors: 1, 2, 4, 18217, 36434, 72868

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001110010100100

Octal: 216244

Duodecimal: 36204

Hexadecimal: 11ca4

Square: 5309745424

Square Root: 269.94073423623934

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

Number of unlabeled maximal independent sets in the n-cycle graph. A127687

Numbers k such that σ(σ(k) - k) = k. A72868