Properties of the Number -805683

Eight Hundred Five Thousand Six Hundred Eighty-Three

Basics

Value: -805684 → -805683 → -805682

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 271 × 991

Divisors: 1, 3, 271, 813, 991, 2973, 268561, 805683

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -11000100101100110011

Octal: -3045463

Duodecimal: -32A303

Hexadecimal: -c4b33

Square: 649125096489

Square Root: 897.5984625655283

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

Number of permutations of length n which avoid the patterns 1324, 3421, 4123. A116832

a(n) = ∑_k=0..n binomial(n+6·k+6,k). A390390