59
90 of them.
46
Seven of them.
There are 5 of them.
There are 90 two-digit whole numbers between 1 and 100.
59
There are 21 two-digit prime numbers. The first two-digit prime number is 11, and the last two-digit prime number is 97. Prime numbers are numbers greater than 1 that are only divisible by 1 and themselves.
There are 900 three digit numbers between 99 and 3,000 - ranging from 100 to 999
90 of them.
46
Seven of them.
There are 5 of them.
138 of them.
17
30 of them.
There are 8 numbers between 100 and 200 (inclusive) that have a digit sum of 12, namely: 129, 138, 147, 156, 165, 174, 183, 192.