In addition to the above, there exist other numbers specifically even and odd numbers, prime numbers and composite numbers. These is usually outlined as supplied under: eight, deemed a "lucky" amount in Chinese lifestyle resulting from its aural similarity towards the Chinese

Their study or use is named arithmetic, a expression which can also check with selection theory, the examine on the Homes of numbers. Authentic numbers that are not rational numbers are referred to as irrational numbers. The true numbers are categorised as algebraic numbers (which are the root of