Properties of the Number 99806

Ninety-Nine Thousand Eight Hundred Six

Basics

Value: 99805 → 99806 → 99807

Parity: even

Prime: No

Previous Prime: 99793

Next Prime: 99809

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 2 × 7 × 7129

Divisors: 1, 2, 7, 14, 7129, 14258, 49903, 99806

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 11000010111011110

Octal: 302736

Duodecimal: 49912

Hexadecimal: 185de

Square: 9961237636

Square Root: 315.9208761699676

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

G.f. is the polynomial (∏_k=1..18 (1 - x^3·k))/(1-x)¹⁸. A162638

If a,b are prime numbers satisfying the Diophantine equation a³+b³=c², then a is -1 mod 12 and b is 1 mod 12, or vice versa. Choose 'a' to be -1 mod 12. This is the sequence of 'a' values, sorted by the magnitude of c. A99806