Properties of the Number 43822

Forty-Three Thousand Eight Hundred Twenty-Two

Basics

Value: 43821 → 43822 → 43823

Parity: even

Prime: No

Previous Prime: 43801

Next Prime: 43853

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 21911

Divisors: 1, 2, 21911, 43822

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1010101100101110

Octal: 125456

Duodecimal: 2143A

Hexadecimal: ab2e

Square: 1920367684

Square Root: 209.33704879929877

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

Base-2 expansion of a(n) encodes the steps where numbers of the form 6k+5 are encountered when map x -> A252463(x) is iterated down to 1, starting from x=n. A292945

a(1) = 0; and for n > 1, a(n) = 2·a(A285712(n)) + [0 == (n mod 3)]. A292590

Number of partitions of n with difference -4 between the number of odd parts and the number of even parts, both counted without multiplicity. A242688

n·a(n+1) = (2·n²+2n-1)*a(n)+(n+1)*a(n-1); a(0)=1, a(1)=2. A259905

Sum of the even parts in the partitions of n into 5 parts. A309547

Numbers k such that number of runs in the base 3 representation of k is congruent to 7 mod 10. A43822