Properties of the Number 66609

Sixty-Six Thousand Six Hundred Nine

Basics

Value: 66608 → 66609 → 66610

Parity: odd

Prime: No

Previous Prime: 66601

Next Prime: 66617

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 2467

Divisors: 1, 3, 9, 27, 2467, 7401, 22203, 66609

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 10000010000110001

Octal: 202061

Duodecimal: 32669

Hexadecimal: 10431

Square: 4436758881

Square Root: 258.08719456803743

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

McKay-Thompson series of class 21A for Monster. A58563

Sums of groups in A075639. A75640

a(n) = 5ⁿ mod n⁵. A66609