Properties of the Number 99729

Ninety-Nine Thousand Seven Hundred Twenty-Nine

Basics

Value: 99728 → 99729 → 99730

Parity: odd

Prime: No

Previous Prime: 99721

Next Prime: 99733

Digit Sum: 36

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7 × 1583

Divisors: 1, 3, 7, 9, 21, 63, 1583, 4749, 11081, 14247

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11000010110010001

Octal: 302621

Duodecimal: 49869

Hexadecimal: 18591

Square: 9945873441

Square Root: 315.79898669881766

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

Number of ways to place 6n nonattacking kings on a vertical cylinder 12 X 2n. A195594

a(n) = a(n-1)² + a(floor(n/2))²; a(0) = 1. A99729