Number 42 - properties and curiosities

42 (number)

42

Number 42 properties

  • Harshad
  • 42 is an even number.
  • 42 is a Harshad number, which means it is divisible by the sum of its digits (42 = 6, and 42 is divisible by 6).

Prime factorization

Prime factorization of 42: 2 × 3 × 7.

Divisors

Divisor count: 8

1, 2, 3, 6, 7, 14, 21, 42

Factors of 42 are: 1, 2, 3, 6, 7, 14, 21, 42.

Representations

In octal, 42 is represented as 52.

In binary, 42 is represented as 101010.

In hex, 42 is represented as 2A.

Roman numeral: XLII

Curiosities

  • 42 is divisible by the sum of its digits.

Quick answers

Is 42 prime?
No, 42 is not prime.

What are the factors of 42?
1, 2, 3, 6, 7, 14, 21, 42

What is 42 in binary?
101010