Properties of the Number -39281

Thirty-Nine Thousand Two Hundred Eighty-One

Basics

Value: -39282 → -39281 → -39280

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 11 × 3571

Divisors: 1, 11, 3571, 39281

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1001100101110001

Octal: -114561

Duodecimal: -1A895

Hexadecimal: -9971

Square: 1542996961

Square Root: 198.19434906172273

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

a(n) = floor(n*φ¹⁷), where φ is the golden ratio, A001622. A4932

Numbers less than the maximum possible determinant A085000(4)=40800 not occurring as determinant of a 4 X 4 matrix with elements 1..16. A88237

Record minima of the positive distance d between the 11th power of a positive integer·and the square of an integer y such that d = x¹³ - y² (x <> k² and y <> k¹³). A179798

a(n) = ∑_0<=i<j<=nL(i)*L(j), where L(k)=A000032(k) is the k-th Lucas number. A242300

Odd composite integers m such that A000032(3·m-J(m,5)) == 3·J(m,5) (mod m), where J(m,5) is the Jacobi symbol. A339724

Numbers k such that k + sum_of_digits(k) is a cube. A84661

Number of 5Xn 0..1 arrays with every element equal to 0, 1, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A303043

a(n) = round(n*φ¹⁷), where φ is the golden ratio, A001622. A4952