Properties of the Number -128412

One Hundred Twenty-Eight Thousand Four Hundred Twelve

Basics

Value: -128413 → -128412 → -128411

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ³ × 29 × 41

Divisors: 1, 2, 3, 4, 6, 9, 12, 18, 27, 29

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11111010110011100

Octal: -372634

Duodecimal: -62390

Hexadecimal: -1f59c

Square: 16489641744

Square Root: 358.34620131933866

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

Numbers whose sum of nonunitary divisors and sum of unitary divisors are both positive squares. A64730

Numbers k such that φ(k) = ∑_d∣k core(d) where core(x) is the squarefree part of x (A007913). A74786

Expansion of f(-x, -x⁷) / f(-x, -x) in powers of q where f(, ) is Ramanujan's general θ function. A132212