Properties of the Number -128624

One Hundred Twenty-Eight Thousand Six Hundred Twenty-Four

Basics

Value: -128625 → -128624 → -128623

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ⁴ × 8039

Divisors: 1, 2, 4, 8, 16, 8039, 16078, 32156, 64312, 128624

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11111011001110000

Octal: -373160

Duodecimal: -62528

Hexadecimal: -1f670

Square: 16544133376

Square Root: 358.6418826629149

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

a(n) = 3·n³ - 1. A345701

A triangular sequence of three back recursive polynomial that are Hermite H(x,n) like and alternating orthogonal on domain {-Infinity,Infinity} and weight function Exp[ -x²/2]: P(x, n) = 2·x*P(x, n - 1) - n·P(x, n - 2) + 4·x³*P(x, n - 3). A138090

Number of ways to place zero or more nonadjacent 0,0 1,0 2,1 3,1 4,2 5,2 6,3 polyhexes in any orientation on a planar nXnXn triangular grid. A155347