Properties of the Number 73209

Seventy-Three Thousand Two Hundred Nine

Basics

Value: 73208 → 73209 → 73210

Parity: odd

Prime: No

Previous Prime: 73189

Next Prime: 73237

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 23 × 1061

Divisors: 1, 3, 23, 69, 1061, 3183, 24403, 73209

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001110111111001

Octal: 216771

Duodecimal: 36449

Hexadecimal: 11df9

Square: 5359557681

Square Root: 270.57161713675737

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)= least number k > a(n-1) such that k*(2^p-1)*(k*(2^p-1)+1)-1 is prime, where p = A000043(n) = Mersenne exponents. A200655

Permutation of natural numbers induced by the Catalan bijection gmA073209 acting on the parenthesizations as ordered by A014486. A73209