Properties of the Number 99810

Ninety-Nine Thousand Eight Hundred Ten

Basics

Value: 99809 → 99810 → 99811

Parity: even

Prime: No

Previous Prime: 99809

Next Prime: 99817

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 5 × 1109

Divisors: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 11000010111100010

Octal: 302742

Duodecimal: 49916

Hexadecimal: 185e2

Square: 9962036100

Square Root: 315.9272068056184

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

Numbers k such that 2·k+1, 4·k+1, 8·k+1, 16·k+1 and 32·k+1 are primes. A124413

a(n) = a(n-1) XOR (a(n-1) + a(n-2)), with a(1)=1, a(2)=3, where XOR is the binary exclusive OR operation. A99810