Using only arrangements of the given digits:
without repeating digits, 15.
with repetition, 39.
The answer does not include numbers such as 2^3 = 8 or 3^(2+1) = 27
168 are.
One of them.
There are 168 prime numbers less than 1,000.
From 1 (inclusive) to 1000(inclusive,) 750.
There are 999 whole numbers less than 1000. Whole numbers are all the positive integers starting from 1 up to 999. The number 1000 is not included because it is not less than 1000. So, the total count of whole numbers less than 1000 is 999.
858
11
130 numbers
950 to 999 would round to 1000 because 949 and less would round to 900.
Perfect squares have an odd number of factors. There are 31 perfect squares less than 1000.
1000.0
4,8,12,16,20,24,28,32,36,40,44,48,52,56,60,64,68,72,76,80,84,88,92,96,100 ............ on and on and on to infinity and beyond LOL !!!!!!!!!