Properties of the Number -128866

One Hundred Twenty-Eight Thousand Eight Hundred Sixty-Six

Basics

Value: -128867 → -128866 → -128865

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 × 64433

Divisors: 1, 2, 64433, 128866

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -11111011101100010

Octal: -373542

Duodecimal: -626AA

Hexadecimal: -1f762

Square: 16606445956

Square Root: 358.97910802719423

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 binary [ n,3 ] codes without 0 columns. A34344

a[n] =a[n-1] + 2·n*Prime[n]-n². A93809