Properties of the Number 86428

Eighty-Six Thousand Four Hundred Twenty-Eight

Basics

Value: 86427 → 86428 → 86429

Parity: even

Prime: No

Previous Prime: 86423

Next Prime: 86441

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 17 × 31 × 41

Divisors: 1, 2, 4, 17, 31, 34, 41, 62, 68, 82

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10101000110011100

Octal: 250634

Duodecimal: 42024

Hexadecimal: 1519c

Square: 7469799184

Square Root: 293.9863942429989

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

Consider primitive pairs of integers (b, c) with b < 0 such that x⁵ + b·x + c = 0 is irreducible and solvable by radicals: sequence gives values of c. A371558

n written in fractional base 10/8. A24663

Number of nX6 0..1 arrays with every element equal to 1, 2, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero. A299610

T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 2, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero. A299612

Permutation of natural numbers induced by the Catalan bijection gma086428 acting on symbolless S-expressions encoded by A014486/A063171. A86428