Properties of the Number -815083

Eight Hundred Fifteen Thousand Eighty-Three

Basics

Value: -815084 → -815083 → -815082

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 31 × 26293

Divisors: 1, 31, 26293, 815083

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -11000110111111101011

Octal: -3067753

Duodecimal: -333837

Hexadecimal: -c6feb

Square: 664360296889

Square Root: 902.8194725414378

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

Expansion of (2/(3·sqrt(1-4·z)-1+4·z))*((1-sqrt(1-4·z))/(2·z))^k with k=9. A172066

a(n) = ∑_k=0..n (-1)^k * binomial(3·n-k+1,n-k). A390543

Number of 4 X n 0..1 arrays with rows unimodal and columns nondecreasing. A225011