Properties of the Number 99805

Ninety-Nine Thousand Eight Hundred Five

Basics

Value: 99804 → 99805 → 99806

Parity: odd

Prime: No

Previous Prime: 99793

Next Prime: 99809

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 5 × 19961

Divisors: 1, 5, 19961, 99805

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11000010111011101

Octal: 302735

Duodecimal: 49911

Hexadecimal: 185dd

Square: 9961038025

Square Root: 315.9192934912333

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) = ∑_k=1..n binomial(floor(n/k)+3,4). A365409

Positions of records for terms in the continued fraction of Soldner's constant (A070769). A99805