Six times a number is called sextuple (adjective/verb) or sixfold, meaning six times as much, while a group of six identical things is often referred to as a sextuplet, or simply a set of six; in math, it's multiplying by a factor of six.
If you wonder why “zillion” is not a part of the list, then tell us that Zillion is not a real number. It is a term that people have made up the word Zillion to refer to an undetermined number extremely large in quantity.
Mnemonic acronyms are often taught in primary schools to help students remember the order of operations. The acronym PEMDAS, which stands for Parentheses, Exponents, Multiplication/Division, Addition/Subtraction, is common in the United States and France.
The earliest known use of the word sextuple is in the mid 1500s. OED's earliest evidence for sextuple is from around 1563, in a text by R. Lever and W. Fulwood.
If you grew up in the UK then it's likely that you've been taught BIDMAS or BODMAS to help you remember the order of operations – what order you should do things in – in Maths. In other parts of the world, it's BEDMAS or PEMDAS.
The first twenty multiples of 6 are: 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 66, 72, 78, 84, 90, 96, 102, 108, 114, 120. 7. What is the difference between factors and multiples of 6?