Properties of the Number -68780

Sixty-Eight Thousand Seven Hundred Eighty

Basics

Value: -68781 → -68780 → -68779

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 5 × 19 × 181

Divisors: 1, 2, 4, 5, 10, 19, 20, 38, 76, 95

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -10000110010101100

Octal: -206254

Duodecimal: -33978

Hexadecimal: -10cac

Square: 4730688400

Square Root: 262.25941355840786

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) = n·sigma₂(n). A328259

a(n) = n*(n+1)*(n²+1)/2. A71237

Number of active (ON, black) cells at stage 2ⁿ-1 of the two-dimensional cellular automaton defined by "Rule 310", based on the 5-celled von Neumann neighborhood. A271196