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Q: How many one-digit counting number are prime?
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Are there any number that are neither prime nor composite?

Yes. All prime numbers and composite numbers are positive integers, or whole counting numbers. That leaves infinitely many numbers that are neither prime nor composite. If you intended to narrow the scope of your question to the whole counting numbers or to the positive integers, then there are NO such numbers that are neither. A counting number, however large, will be either prime or composite.


How many one-digit counting number?

9.


How many prime numbers in 100 are relatively prime?

Any prime number is relatively prime to any other prime number.


Is 16 a prime number why or why not?

wow. no its not a prime number , its even for a start meaning its not prime , and it has many factors , 1,2,4,8 ...


Are integers counting numbers?

No- not exactly. Negative integers are not counting numbers. Positive integers are identified with counting numbers. Many authors like to start with zero as a counting number.

Related questions

How can you classify the number 23?

There are many possible ways: A prime A counting number An integer A rational number A real number are some.


Are there any number that are neither prime nor composite?

Yes. All prime numbers and composite numbers are positive integers, or whole counting numbers. That leaves infinitely many numbers that are neither prime nor composite. If you intended to narrow the scope of your question to the whole counting numbers or to the positive integers, then there are NO such numbers that are neither. A counting number, however large, will be either prime or composite.


How many known prime numbers are there?

There are infinite prime numbers as there is infinite numbers. You cannot limit the counting of primes.


The number of chromosomes is determined by counting what structure?

by counting the number of chromatids. divide that by 2 and thats how many chromosomes you have


How many number 9 digits written when counting to a million?

none because you are counting


How many one-digit counting number?

9.


How many prime numbers in 100 are relatively prime?

Any prime number is relatively prime to any other prime number.


Is 16 a prime number why or why not?

wow. no its not a prime number , its even for a start meaning its not prime , and it has many factors , 1,2,4,8 ...


How many factors does a negative prime number have?

a negative prime number has 4 factors


How many prime factorziration does a number have?

Each number only has one prime factorization.


How many number of factors does a prime number have?

A prime number has only two factors which are itself and one


How many prime numbers in 2011?

2011 is a prime number.