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The Septillinillion Day Thread (July 3, 2025)

The Septillinillion Day Thread

Septillinillion is my favourite number, although it’s not really a number any “real” sense of the word. It represents 1021,003, or a ten with twenty one thousand and three zeros behind it. It is used so rarely they don’t even bother including it on Wikipedia. It’s just my favourite word to describe a LOT of things.

There are many terms to describe an indefinite number of items, appropriately enough, such as “milhentos” in Portuguese and “umpteen” in American English. In Chinese “shí wàn bā qiān lǐ” (108,000 li) means a great distance.The Danes use “hundrede og sytten” (“a hundred and seventeen”) can mean any arbitrary number. In French, 36 and 36,000 are occasionally used as a synonym for “very many”. In Latin, “sescenti” was used for any large number, possibly because the Roman cohorts consisted originally of six hundred men. Irish and Scots Gaelic contains the phrase “hundreds and thousands” to signify a large amount, which of course is also the name for cake sprinkles. Yum!

A Roman Legion (from Trajan’s Column), from “Speculum Romanae Magnificentiae”

There are quite literally a zillion more fictional numbers. What’s your favourite way to describe a Lot?

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