Properties of the Number 86528

Eighty-Six Thousand Five Hundred Twenty-Eight

Basics

Value: 86527 → 86528 → 86529

Parity: even

Prime: No

Previous Prime: 86509

Next Prime: 86531

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 ⁹ × 13 ²

Divisors: 1, 2, 4, 8, 13, 16, 26, 32, 52, 64

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10101001000000000

Octal: 251000

Duodecimal: 420A8

Hexadecimal: 15200

Square: 7487094784

Square Root: 294.15642097360376

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

Number of ON cells at n-th stage of three-dimensional version of the cellular automaton A160410, using cubes. A160428

T(n,k)=Number of nXk array permutations with every element making zero or one right-handed knight moves (out 2, right 1). A209543

Triangular matrix T, read by rows, that satisfies: T = D + SHIFT_LEFT(T³), where SHIFT_LEFT shifts each row 1 place to the left and D is the diagonal matrix {1, 2, 3, ...}. A107671

Numbers of the form (8ⁱ)*(13^j), with i, j >= 0. A107764

Numbers whose prime factors are 2 and 13. A288162

Number of subsets of the set {1,2,...,n} which do not contain two elements whose difference is 5. A208742

Kekulé numbers for certain benzenoids (see the Cyvin-Gutman book for details). A123357

a(n) = (3·n² - 3·n + 8)*2^{n - 3}. A300451

Half the number of n X 2 binary arrays with no element equal to a strict majority of its knight-move neighbors. A183393

Number of nX3 array permutations with every element making zero or one right-handed knight moves (out 2, right 1). A209538