Properties of the Number 86488

Eighty-Six Thousand Four Hundred Eighty-Eight

Basics

Value: 86487 → 86488 → 86489

Parity: even

Prime: No

Previous Prime: 86477

Next Prime: 86491

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 2 ³ × 19 × 569

Divisors: 1, 2, 4, 8, 19, 38, 76, 152, 569, 1138

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10101000111011000

Octal: 250730

Duodecimal: 42074

Hexadecimal: 151d8

Square: 7480174144

Square Root: 294.08842207744254

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 nonnegative integer arrays with upper left 0 and every value within 3 of its king move distance from the upper left and every value increasing by 0 or 1 with every step right, diagonally se or down. A252938

Number of n X 5 nonnegative integer arrays with upper left 0 and every value within 3 of its king move distance from the upper left and every value increasing by 0 or 1 with every step right, diagonally se or down. A252935

Number of nX6 nonnegative integer arrays with upper left 0 and every value within 3 of its king move distance from the upper left and every value increasing by 0 or 1 with every step right, diagonally se or down. A252936

A086487(n)/S where S is the sum of the prime divisors. A86488

Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of 1/(2 - B_k(x)), where B_k(x) = 1 + x·B_k(x)^k. A382100