Properties of the Number -9728

Seven Hundred Twenty-Eight

Basics

Value: -9729 → -9728 → -9727

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ⁹ × 19

Divisors: 1, 2, 4, 8, 16, 19, 32, 38, 64, 76

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: -10011000000000

Octal: -23000

Duodecimal: -5768

Hexadecimal: -2600

Square: 94633984

Square Root: 98.63062404750362

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

Binomial transform of [1, 2, -3, -4, 5, 6, -7, -8, 9, 10, ...]. A140230

Expansion of (1-4·x)/(1-x*(1-x)³). A119306

Hankel determinant H_n(F₃(x)) of the sequence F₃(x). A278995

Expansion of (1-8x-8x³)/(1-2x+4x²)². A151912

Coefficients of characteristic polynomials of Hadamard Cartan F₂ self-similar 2ⁿ matrices:M={{2, -1}, {-2, 2}}. A173820

Numbers that are divisible by exactly 10 primes with multiplicity. A46314

Expansion of g.f. (1+2·x)/(1-2·x)². A14480

a(n) = T(n,2), array T as in A049600. A49611

Number of integer partitions of n whose Heinz number (product of primes of parts) is divisible by their sum of primes of parts. A330953

Triangle read by rows: T(n,k) = (2·n-1)*2^k-1, 0<k<=n. A118413