421
Number 421 properties
- 421 is an odd number.
- 421 is a prime number, which means it is only divisible by 1 and itself.
Number 421 - properties and curiosities
421 (number)
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.
Related numbers
Quick answers
Is 421 prime?
Yes, 421 is prime.
What are the factors of 421?
1, 421
What is 421 in binary?
110100101