Properties of the Number -821284

Eight Hundred Twenty-One Thousand Two Hundred Eighty-Four

Basics

Value: -821285 → -821284 → -821283

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 23 × 79 × 113

Divisors: 1, 2, 4, 23, 46, 79, 92, 113, 158, 226

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11001000100000100100

Octal: -3104044

Duodecimal: -337344

Hexadecimal: -c8824

Square: 674507408656

Square Root: 906.2472068922475

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..4 arrays with each element·equal to the number of its horizontal and vertical neighbors equal to 3,2,0,4,1 for x=0,1,2,3,4. A196802

Number of nX3 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 3,2,0,4,1 for x=0,1,2,3,4. A196797