Properties of the Number 41806

Forty-One Thousand Eight Hundred Six

Basics

Value: 41805 → 41806 → 41807

Parity: even

Prime: No

Previous Prime: 41801

Next Prime: 41809

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 20903

Divisors: 1, 2, 20903, 41806

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010001101001110

Octal: 121516

Duodecimal: 2023A

Hexadecimal: a34e

Square: 1747741636

Square Root: 204.46515595572757

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

Expansion of ∏_k>=1 1/(1 - 2·k*x^k). A265951

Expansion of ∏_k>=1 ((1 + x^k³)/(1 - x^k³))^k³. A291721

a(n) = ∑_{i=1..floor((n+2)/4)} a(2i-1)*a(n-2i+1), with a(1)=2 and a(2)=a(3)=1. A24957

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, 0), (-1, 1, -1), (0, 1, 1), (1, 0, 0)}. A149982

Numerators of continued fraction convergents to sqrt(424). A41806