Properties of the Number -786430

Seven Hundred Eighty-Six Thousand Four Hundred Thirty

Basics

Value: -786431 → -786430 → -786429

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 × 5 × 78643

Divisors: 1, 2, 5, 10, 78643, 157286, 393215, 786430

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7989 Try Today's Challenge

Representations

Binary: -10111111111111111110

Octal: -2777776

Duodecimal: -31B13A

Hexadecimal: -bfffe

Square: 618472144900

Square Root: 886.8088858373037

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

a(2·n) = 3·2ⁿ - 2; a(2·n+1) = 2ⁿ⁺² - 2. A27383

a(n) = 3·2ⁿ - 2. A33484

a(n) = B(2·n, 2)/B(2·n) (see formula section). A96045

Add 1, double, add 1, double, etc. A83416

a(n) = 3·2ⁿ - 2*(-1)ⁿ. A259713

Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 621", based on the 5-celled von Neumann neighborhood. A283357

Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 637", based on the 5-celled von Neumann neighborhood. A283406

Expansion of x*(3·x²+x+1)/((x-1)*(2·x-1)*(x+1)). A192033

a(0) = 1, a(n+1) = 2·a(n) + periodic sequence of length 2: repeat [5, -4]. A280173

a(n) = n! * [xⁿ] (2·x - 4·exp(x) + 3·exp(2·x) + 3) / 2. A369491