Properties of the Number -128304

One Hundred Twenty-Eight Thousand Three Hundred Four

Basics

Value: -128305 → -128304 → -128303

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ⁴ × 3 ⁶ × 11

Divisors: 1, 2, 3, 4, 6, 8, 9, 11, 12, 16

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -11111010100110000

Octal: -372460

Duodecimal: -62300

Hexadecimal: -1f530

Square: 16461916416

Square Root: 358.1954773583832

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

Series expansion of x*(x+3)²/(3·x+1)². A115053

a(n) = ∑_k=0..2n (k+1) * A026552(n, k). A27276

Expansion of {∏_j>=1 (1 - (-x)^j) - 1}¹² in powers of x. A1490

a(n) = ((9+sqrt(9))ⁿ + (9-sqrt(9))ⁿ)/2. A143079

Define an array by d(m, 0) = 1, d(m, 1) = m; d(m, k) = (m - k + 1) d(m+1, k-1) - (k-1) (m+1) d(m+2, k-2). Sequence gives d(n,4). A126958