Properties of the Number 66824

Sixty-Six Thousand Eight Hundred Twenty-Four

Basics

Value: 66823 → 66824 → 66825

Parity: even

Prime: No

Previous Prime: 66821

Next Prime: 66841

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ³ × 8353

Divisors: 1, 2, 4, 8, 8353, 16706, 33412, 66824

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000010100001000

Octal: 202410

Duodecimal: 32808

Hexadecimal: 10508

Square: 4465446976

Square Root: 258.5033848907979

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) = 9ⁿ+6ⁿ-1ⁿ. A155647

Inverse binomial transform of a₀ = 1, a₁, a₂, etc. is a₀, 0, a₁, 0, a₂, 0, etc. A27826

T(n,n), array T as in A047110. A47112

Sum of the reciprocals of the partitions of n enumerated in A058360. A66824