Properties of the Number 43261

Forty-Three Thousand Two Hundred Sixty-One

Basics

Value: 43260 → 43261 → 43262

Parity: odd

Prime: Yes

Previous Prime: 43237

Next Prime: 43271

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 43261

Divisors: 1, 43261

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010100011111101

Octal: 124375

Duodecimal: 21051

Hexadecimal: a8fd

Square: 1871514121

Square Root: 207.99278833651903

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

Markoff (or Markov) numbers: union of positive integers x, y, z satisfying x² + y² + z² = 3·x*y·z. A2559

Nonnegative integers n such that 2n² + 2n - 3 is square. A124124

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the number of rightwards and downwards edge increases in each 2X2 subblock equal to the number in all its horizontal and vertical neighbors. A205055

a(n) = 2·a(n-1) + a(n-2) + 1, a(0) = 1, a(1) = 2. A98790

Markov numbers that are prime. A178444

Alternative version of the Markov tree A327345. A368546

Primes of form k² - 3. A28874

Irregular triangle read by rows: Maximal numbers of the Markoff triples at level L of the Markoff tree, with members of the triples ordered increasingly. A327345

Second member m₂(n) of the Markoff triple MT(n) with largest member m(n) = A002559(n), and smallest member m₁(n) = A305313(n), for n >= 1. These triples are conjectured to be unique. A305314

Value of prime number D for incrementally largest values of minimal·satisfying the equation x² - D·y² = -3. A336801