Properties of the Number 86622

Eighty-Six Thousand Six Hundred Twenty-Two

Basics

Value: 86621 → 86622 → 86623

Parity: even

Prime: No

Previous Prime: 86599

Next Prime: 86627

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 14437

Divisors: 1, 2, 3, 6, 14437, 28874, 43311, 86622

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10101001001011110

Octal: 251136

Duodecimal: 42166

Hexadecimal: 1525e

Square: 7503370884

Square Root: 294.31615653918834

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

Numbers k such that k has nonincreasing digits and the k-th prime has nondecreasing digits. A116069

G.f. satisfies: A(x) = ∑_n>=0 xⁿ * (1 + x·A(x)ⁿ⁺¹)ⁿ. A300042

Numerators of continued fraction convergents to sqrt(669). A42286

Number of n X 3 binary arrays with some element plus some horizontally, vertically, diagonally or antidiagonally adjacent neighbor totalling two exactly once. A268761

G.f. A(x) satisfies: A(x) = 1/(1-2·x) + x²*A(x)². A86622

T(n,k)=Number of nXk binary arrays with some element plus some horizontally, vertically, diagonally or antidiagonally adjacent neighbor totalling two exactly once. A268766