Number 421 - properties and curiosities

421 (number)

421

Number 421 properties

  • Prime
  • 421 is an odd number.
  • 421 is a prime number, which means it is only divisible by 1 and itself.

Prime factorization

Prime factorization of 421: 421.

Divisors

Divisor count: 2

1, 421

Factors of 421 are: 1, 421.

Representations

In octal, 421 is represented as 645.

In binary, 421 is represented as 110100101.

In hex, 421 is represented as 1A5.

Roman numeral: CDXXI

Curiosities

  • 421 is part of the infinite sequence of prime numbers.

Quick answers

Is 421 prime?
Yes, 421 is prime.

What are the factors of 421?
1, 421

What is 421 in binary?
110100101