Properties of the Number 82166

Eighty-Two Thousand One Hundred Sixty-Six

Basics

Value: 82165 → 82166 → 82167

Parity: even

Prime: No

Previous Prime: 82163

Next Prime: 82171

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 7 × 5869

Divisors: 1, 2, 7, 14, 5869, 11738, 41083, 82166

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100000011110110

Octal: 240366

Duodecimal: 3B672

Hexadecimal: 140f6

Square: 6751251556

Square Root: 286.6461232949087

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) = gpf(a(n-3))*gpf(a(n-2)) + gpf(a(n-1)), with a(1)=a(2)=1 and a(3)=2 and where gpf(n) is the greatest prime dividing n, A006530(n). A258804

a(n) = A006689(n)/n². A82166