3
There are a few numbers that are less than 19 and have more than 4 factors. The number 10 is less than 19 and has more than four factors.
The set of natural numbers less than four is {1, 2, 3}.
All negative numbers are less than pi.
The number can be any one of these four numbers:640751862973
Any number greater than 0 and less than 3.14
There are only four prime numbers less than 10. They are 2, 3, 5 and 7.
Set of even numbers less than 50 and more than 40 = {42,44,46,48}
4
4
210
Less than 5: 1,2,3,4 Greater than 3: 4,5,6,7
Numbers less than 10 spelled out are: zero, one, two, three, four, five, six, seven, eight, and nine.