Properties of the Number 98405

Ninety-Eight Thousand Four Hundred Five

Basics

Value: 98404 → 98405 → 98406

Parity: odd

Prime: No

Previous Prime: 98389

Next Prime: 98407

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 5 × 19681

Divisors: 1, 5, 19681, 98405

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11000000001100101

Octal: 300145

Duodecimal: 48B45

Hexadecimal: 18065

Square: 9683544025

Square Root: 313.6957124348371

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 divides 2^k+1 - 1. A246648

Expansion of (1-sqrt(1-8·x))/((1-x)*(4·x*sqrt(1-8·x))). A98405