Properties of the Number 43682

Forty-Three Thousand Six Hundred Eighty-Two

Basics

Value: 43681 → 43682 → 43683

Parity: even

Prime: No

Previous Prime: 43669

Next Prime: 43691

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 21841

Divisors: 1, 2, 21841, 43682

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010101010100010

Octal: 125242

Duodecimal: 21342

Hexadecimal: aaa2

Square: 1908117124

Square Root: 209.00239233080563

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

Triangle T(n,k) read by rows: T(n,k) = 1 if k=1 or k=n, otherwise T(n,k) = (3·n-3·k+1)*T(n-1,k-1) + (3·k-2)*T(n-1,k). A142458

Expansion of 1/((1-x)*(1-2·x)*(1-x²)). A11377

Generalized Jacobsthal numbers. A83579

a(n) = 2*(4ⁿ - 1)/3 - n. A144414

Partial sums of floor(2ⁿ/3). A178420

Number of tatami tilings of a 4 X n grid (with monomers allowed). A192090

Number of non-intersecting cycle systems in a particular directed graph. A112832

Values of n such that A080221(n)=6; i.e., values of n such that n is divisible by the sum of digits of n when expressed in exactly 6 of the bases b=1...n. A271311

Numbers k such that the total number of consecutive runs of zeros of length m in every binary expansion from 1 to k, is even, for all m ≠ floor(log₂(k)). A360320

Triangle T(n,m) = 2·A022168(n,m) - binomial(n, m), 0 <= m <= n, read by rows. A174528