Properties of the Number -128408

One Hundred Twenty-Eight Thousand Four Hundred Eight

Basics

Value: -128409 → -128408 → -128407

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ³ × 7 × 2293

Divisors: 1, 2, 4, 7, 8, 14, 28, 56, 2293, 4586

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -11111010110011000

Octal: -372630

Duodecimal: -62388

Hexadecimal: -1f598

Square: 16488614464

Square Root: 358.3406200809504

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

Expansion of g²/(1 - x²*g), where g = 1+x·g³ is the g.f. of A001764. A391122

Number of 0..3 arrays of length n with each element differing from at least one neighbor by 1 or less, starting with 0. A221678