How Big Is Infinity?
... size as (i.e., there is a one-to-one correspondence between S and ), then the set is said to be countable. In other words, you can count the members of a countable set. The term denumerable is also used; it means the same as countable. ...
... size as (i.e., there is a one-to-one correspondence between S and ), then the set is said to be countable. In other words, you can count the members of a countable set. The term denumerable is also used; it means the same as countable. ...
numbers
... 496, and 8128 are the first four perfect numbers. It took a long time, almost 1500 years, to discover the next perfect number and it turns out to be a large number, 33,550,336. In 1772, the famous mathematician Euler discovered a very large number, for his time, 2,305,843,008,139,952,128 as a perfec ...
... 496, and 8128 are the first four perfect numbers. It took a long time, almost 1500 years, to discover the next perfect number and it turns out to be a large number, 33,550,336. In 1772, the famous mathematician Euler discovered a very large number, for his time, 2,305,843,008,139,952,128 as a perfec ...