Number 8 - properties and curiosities

8 (number)

Number 8 properties

8 is an even number.
8 is a palindrome.
8 is a perfect cube (2 × 2 × 2).
8 is an Armstrong (or Narcissistic) number, which means it is the sum of its own digits each raised to the power of the number of digits.
8 is Fibonacci number #6.
8 is a Harshad number, which means it is divisible by the sum of its digits (8 = 8, and 8 is divisible by 8).

Prime factorization

Prime factorization of 8: 2^3.

Divisor count: 4

1, 2, 4, 8

Factors of 8 are: 1, 2, 4, 8.

In octal, 8 is represented as 10.

In binary, 8 is represented as 1000.

In hex, 8 is represented as 8.

Roman numeral: VIII

8 appears in the Fibonacci sequence, where each number is the sum of the previous two.
8 reads the same from left to right and right to left.
8 is divisible by the sum of its digits.

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Nearby primes: 3, 5, 7, 11, 13, 17

Is 8 prime?
No, 8 is not prime.

What are the factors of 8?
1, 2, 4, 8

What is 8 in binary?
1000