Properties of the Number 86139

Eighty-Six Thousand One Hundred Thirty-Nine

Basics

Value: 86138 → 86139 → 86140

Parity: odd

Prime: No

Previous Prime: 86137

Next Prime: 86143

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 17 × 563

Divisors: 1, 3, 9, 17, 51, 153, 563, 1689, 5067, 9571

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101000001111011

Octal: 250173

Duodecimal: 41A23

Hexadecimal: 1507b

Square: 7419927321

Square Root: 293.49446332086063

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

T(n,k)=Number of nXk 0..1 arrays with each 1 adjacent to 1, 3 or 5 king-move neighboring 1s. A296952

n³+Smallest square, (Smallest square >= n³). A176581

Number of nX4 0..1 arrays with each 1 adjacent to 1, 3 or 5 king-move neighboring 1s. A296948

Number of nX7 0..1 arrays with each 1 adjacent to 1, 3 or 5 king-move neighboring 1s. A296951

Let p = A046133(n), that is, let p run through the list of primes such that p+12 is also prime (A046133); a(n) = number of primes in the interval p + 1 through p + 11 inclusive. A86139

Number of 7Xn 0..1 arrays with every element equal to 0, 1 or 4 horizontally or antidiagonally adjacent elements, with upper left element zero. A301969