Properties of the Number 99811

Ninety-Nine Thousand Eight Hundred Eleven

Basics

Value: 99810 → 99811 → 99812

Parity: odd

Prime: No

Previous Prime: 99809

Next Prime: 99817

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 151 × 661

Divisors: 1, 151, 661, 99811

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11000010111100011

Octal: 302743

Duodecimal: 49917

Hexadecimal: 185e3

Square: 9962235721

Square Root: 315.92878944471016

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 the period of the continued fraction for sqrt(k) contains exactly 73 ones. A31841

a(n) = a(n-1) XOR ∑_k=1..n-1 a(k), with a(1)=1, a(2)=3, where XOR is the binary exclusive OR operation. A99811