i think prime numbers
Prime numbers like 2, 3, 5 and 7.
Since there are an infinite number of prime numbers, there are infinite numbers with any given number of prime factors.
211 is the only of the given numbers that is prime.
A number that is not a prime number is called a composite number because it can be made by multiplying prime numbers together. For example, 6 is a composite number that is the product of multiplying the prime numbers 2 and 3 together.
A mirror prime.
3 is a prime number. The other numbers are even numbers greater than 2, so they are composite numbers, not prime numbers.
Consecutive prime numbers are two prime numbers that are next to each other, with no other prime numbers in between. For example, 3 and 5 are consecutive prime numbers.
The expression of a given composite number as the product of prime numbers.
Showing a composite number as a product of prime numbers is called prime factorization.
Numbers with only two factors, the number itself and one, are called prime numbers. Examples of prime numbers are 2 (which is the only even prime number) and 17.
Sure, since there are INFINITELY MANY prime numbers, that means you will find prime numbers over any given number.
All composite numbers can be expressed as unique products of prime numbers. This is known as a prime factorization.