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How many of the integers from 1 to 121 that have a units digit of 1 are prime?
Updated: 9/21/2023
Wiki User
∙ 12y agoBest Answer
The prime numbers with a units digit of 1 in the range 1 - 121 are :-
11, 31, 41, 61, 71 and 101.......making 6 primes in total.
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∙ 12y agoThis answer is:
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How many integers between 2000 and 3999 have a ones digit that is a prime number?
There are 800 such numbers.
How many two digit prime numbers are there between 1-100 such that they have digit 7 in their units place?
There are 5 of them.
How many one digit integers are there?
There are 10 one digit positive integers (0 - 9) and 9 one digit negative integers (-9 to -1) making 19 in all.
How many 1-digit integers are there such that product of their two digit is 24?
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Related questions
How many two digit prime numbers have a units digit of 7 and what are the prime numbers?
17, 37, 47, 67, 97
How many integers between 2000 and 3999 have a ones digit that is a prime number?
There are 800 such numbers.
How many two digit prime numbers are there between 1-100 such that they have digit 7 in their units place?
There are 5 of them.
How many one digit integers are there?
There are 10 one digit positive integers (0 - 9) and 9 one digit negative integers (-9 to -1) making 19 in all.
How many 1-digit integers are there such that product of their two digit is 24?
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How many two-digit positive integers are there?
90
How many prime numbers up to 100 have the number 9 as their units digit?
19 29 59 79 89 Five of them.
How many positive two-digit integers is the ones digit greater than twice the tens digit?
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How many two digit prime numbers are there?
There are 21 two-digit prime numbers.
How many 5 digit integers are perfect squares?
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How many 4-digit even integers are there?
There are 4500 such numbers.
How many 3-digit positive integers are there?
the answer would be 900
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