Properties of the Number 42206

Forty-Two Thousand Two Hundred Six

Basics

Value: 42205 → 42206 → 42207

Parity: even

Prime: No

Previous Prime: 42197

Next Prime: 42209

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 × 47 × 449

Divisors: 1, 2, 47, 94, 449, 898, 21103, 42206

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010010011011110

Octal: 122336

Duodecimal: 20512

Hexadecimal: a4de

Square: 1781346436

Square Root: 205.4409890941922

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 1/(1 - x - x² + x⁶ - x⁸). A225393

Solution of the complementary equation a(n) = 4·a(n-2) + b(n-1), where a(0) = 1, a(1) = 3, b(0) = 2, and (a(n)) and (b(n)) are increasing complementary sequences. A295061

Numbers k such that (29·10^k - 77)/3 is prime. A280942

G.f. satisfies: A(x) = 1 + x/A(-x·A(x)⁶)². A213098

Numerators of continued fraction convergents to sqrt(629). A42206