But Wells wasn't aware that 39 did indeed have an interesting property.
In contrast with the previous number, you need to square this number only 332 times to exceed two, so it's really a very big jump from the previous number, but quite tiny in comparison to.
The list as a whole has over 2100 entries and counting! It is defined as the number x such that x multiplied by itself is 2.
A number with 4-6 digits is a number in the thousands.