Properties of the Number 66211

Sixty-Six Thousand Two Hundred Eleven

Basics

Value: 66210 → 66211 → 66212

Parity: odd

Prime: No

Previous Prime: 66191

Next Prime: 66221

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 73 × 907

Divisors: 1, 73, 907, 66211

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000001010100011

Octal: 201243

Duodecimal: 32397

Hexadecimal: 102a3

Square: 4383896521

Square Root: 257.3149820744995

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

Primitive numbers in A158235. A158245

a(n) = ∑_j=0..n (2·n)!/(2·n-j)!. A66211