61 and 16
90
45 = XLV
73 is a prime number, but 45 is not a prime number.
45 and 19 are the numbers.
There are 45 such numbers.
90
There is only one number that equals 45.That number is: 45
0
Subtract one number away from another number. For instance: 45 - 35 = 10 (so the difference is 10).
45 = XLV
73 is a prime number, but 45 is not a prime number.
45 has only one number and that is 45. It is odd so 45 has one odd number.
There are 45 such numbers.
45 and 19 are the numbers.
3 is one of the prime numbers of 45.
To find how far the number 55 is from 100, subtract 55 from 100. This calculation gives you 100 - 55 = 45. Therefore, the number 55 is 45 units away from 100.
Number of combinations = 45C6 = 45!/6!(45-6)! = 8,145,060