Properties of the Number 99855

Ninety-Nine Thousand Eight Hundred Fifty-Five

Basics

Value: 99854 → 99855 → 99856

Parity: odd

Prime: No

Previous Prime: 99839

Next Prime: 99859

Digit Sum: 36

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 × 7 × 317

Divisors: 1, 3, 5, 7, 9, 15, 21, 35, 45, 63

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11000011000001111

Octal: 303017

Duodecimal: 49953

Hexadecimal: 1860f

Square: 9971021025

Square Root: 315.9984177175576

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) = (8·n+3)*(8·n+5). A177065

Numbers n such that for all divisors of n, ratios of 2 consecutive divisors of n will always reduce to lowest terms to a fraction with numerator=denominator+2. A280963

a(n) = n·2ⁿ - 2^n/2*sin(π*n/4). A99855

a(n) = 1 + a(n-1)*(A007018(n-1) + 1), with a(0) = 1. A334211