Properties of the Number -128865

One Hundred Twenty-Eight Thousand Eight Hundred Sixty-Five

Basics

Value: -128866 → -128865 → -128864

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 11 ² × 71

Divisors: 1, 3, 5, 11, 15, 33, 55, 71, 121, 165

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -11111011101100001

Octal: -373541

Duodecimal: -626A9

Hexadecimal: -1f761

Square: 16606188225

Square Root: 358.9777151857758

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

Triangle read by rows: T(n,k) = number of arrangements of n indistinguishable balls in n boxes with the maximum number of balls in any box equal to k. A180281

Number of arrangements of n indistinguishable balls in n boxes with the maximum number of balls in any box equal to 3. A180283

Number of arrangements of n indistinguishable balls in n boxes with the maximum number of balls in any box equal to n-8. A180298