Properties of the Number -128284

One Hundred Twenty-Eight Thousand Two Hundred Eighty-Four

Basics

Value: -128285 → -128284 → -128283

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 13 × 2467

Divisors: 1, 2, 4, 13, 26, 52, 2467, 4934, 9868, 32071

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -11111010100011100

Octal: -372434

Duodecimal: -622A4

Hexadecimal: -1f51c

Square: 16456784656

Square Root: 358.1675585532559

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 subsets of {1..n} containing n and some element equal to the sum of two distinct others. A364756

a(n) = 11ⁿ-8ⁿ+1. A155668