In the realm of mathematics, it’s hard to imagine anything more basic than the counting numbers: 1, 2, 3, and so on. Yet this set of mathematical objects abounds with beautiful and unexpected patterns ...

Multiplying and dividing whole numbers by numbers greater than 0 and less than 1 can be broken into a whole number calculation followed by multiplying or dividing by a power of 10, for example 10, 100 ...

Prime numbers are positive integers greater than 1 that can only be divided evenly by 1 and themselves. These numbers are important in many areas of mathematics, including number theory, cryptography, ...