Properties of the Number 99830

Ninety-Nine Thousand Eight Hundred Thirty

Basics

Value: 99829 → 99830 → 99831

Parity: even

Prime: No

Previous Prime: 99829

Next Prime: 99833

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 × 5 × 67 × 149

Divisors: 1, 2, 5, 10, 67, 134, 149, 298, 335, 670

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 11000010111110110

Octal: 302766

Duodecimal: 49932

Hexadecimal: 185f6

Square: 9966028900

Square Root: 315.9588580812382

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=0..floor(n/2)} (-1)^k * binomial(n-1-k,k) * binomial(2·n-4·k,n-2·k). A360293

Smallest perimeter S such that exactly n distinct Pythagorean triangles with this perimeter can be constructed. A99830