Number 80 - properties and curiosities

80 (number)

80

Number 80 properties

  • Harshad
  • 80 is an even number.
  • 80 is a Harshad number, which means it is divisible by the sum of its digits (80 = 8, and 80 is divisible by 8).

Prime factorization

Prime factorization of 80: 2^4 × 5.

Divisors

Divisor count: 10

1, 2, 4, 5, 8, 10, 16, 20, 40, 80

Factors of 80 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80.

Representations

In octal, 80 is represented as 120.

In binary, 80 is represented as 1010000.

In hex, 80 is represented as 50.

Roman numeral: LXXX

Curiosities

  • 80 is divisible by the sum of its digits.

Quick answers

Is 80 prime?
No, 80 is not prime.

What are the factors of 80?
1, 2, 4, 5, 8, 10, 16, 20, 40, 80

What is 80 in binary?
1010000