Types of number (OCR GCSE Maths): Flashcards

Whole numbers (positive, negative, or zero)

Numbers written as $\frac{a}{b}$ where $a$, $b$ are integers and $b \neq 0$

Cannot be written as fraction; non-repeating, non-terminating

Result of multiplying a whole number by itself

Numbers formed by adding consecutive whole numbers (1, 1+2, 1+2+3, etc.)

$\frac{n \times (n+1)}{2}$

Whole number multiplied by itself twice ($n^3$)

$n \times n \times n = n^3$

Whole numbers that divide exactly into a number

$1$

Numbers from multiplying a number by whole numbers

Numbers with exactly two factors: $1$ and itself

No, it only has one factor

$2$

An odd number of factors