Properties of the Number 87826

Eighty-Seven Thousand Eight Hundred Twenty-Six

Basics

Value: 87825 → 87826 → 87827

Parity: even

Prime: No

Previous Prime: 87811

Next Prime: 87833

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 × 43913

Divisors: 1, 2, 43913, 87826

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101011100010010

Octal: 253422

Duodecimal: 429AA

Hexadecimal: 15712

Square: 7713406276

Square Root: 296.3545174280291

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

Generalized Catalan triangle of Riordan type, called C(1,3). A116866

a(n) = a(n-a(n-1)) + a(a(n-a(n-2))). A87826

Number of n X 5 nonnegative integer arrays with upper left 0 and lower right its king-move distance away minus 3 and every value within 3 of its king move distance from the upper left and every value increasing by 0 or 1 with every step right, diagonally se or down. A253001