Properties of the Number 66165

Sixty-Six Thousand One Hundred Sixty-Five

Basics

Value: 66164 → 66165 → 66166

Parity: odd

Prime: No

Previous Prime: 66161

Next Prime: 66169

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 × 11 × 401

Divisors: 1, 3, 5, 11, 15, 33, 55, 165, 401, 1203

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000001001110101

Octal: 201165

Duodecimal: 32359

Hexadecimal: 10275

Square: 4377807225

Square Root: 257.2255819315023

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

Variant of Stanley's children's game. Class of n (named) children forms into rings of at least two with exactly one child inside each ring. a(n) gives number of possibilities, including clockwise order (or which hand is held), in each ring. A66165