Properties of the Number 90682

Ninety Thousand Six Hundred Eighty-Two

Basics

Value: 90681 → 90682 → 90683

Parity: even

Prime: No

Previous Prime: 90679

Next Prime: 90697

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 45341

Divisors: 1, 2, 45341, 90682

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10110001000111010

Octal: 261072

Duodecimal: 4458A

Hexadecimal: 1623a

Square: 8223225124

Square Root: 301.1345214351885

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

T(n,k)=Number of nXk 0..n·k-1 arrays with upper left zero and lower right n·k-1 and each element differing from its horizontal, vertical and antidiagonal neighbors by a power of two. A265601

Number of nX2 0..n·2-1 arrays with upper left zero and lower right n·2-1 and each element differing from its horizontal, vertical and antidiagonal neighbors by a power of two. A265595

Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 66. A31654

Relative of Hofstadter Q-sequence: a(n) = max(0, n+3442) for n <= 0; a(n) = a(n-a(n-1)) + a(n-a(n-2)) + a(n-a(n-3)) for n > 0. A283885

Integer part of one leg of a right triangle where the other leg and hypotenuse are twin primes. A90682

Number of nX5 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 4,1,3,0,2 for x=0,1,2,3,4. A197066