# Why is French base 20?

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This is supposedly as they used their feet as well as their hands to count. Fingers and toes included, you get twenty. Many believe it ended up in French due to the influence of the Celts in France, whose languages use the base 20 system.

## Why are French numbers base 20?

Base 20 (Vigesimal) Numbers

The word ‘vigesimal’ comes from the Latin word viginiti, meaning ‘twenty’, which is also the origin of the French number vingt (20). Base 20 numbering works in a similar way to base 10, except numbers are based in multiples of twenty.

## Is French in base 20?

The French language uses 20 as a base for counting between 70 and 100; hence 80 is quatre-vingts (“four-twenties”). Paris has 20 arrondissements, or boroughs. The capital’s annual running race is the 20 Kilomètres de Paris. There is a free newspaper called “20 minutes”.

## Why do some cultures use base 20?

The Mayans used a vigesimal (base 20) number system, the Babylonians used a sexagesimal (base 60) number system, and the Egyptians used a duo-decimal (base 12) number system. It is believed that the Mayans used base 20 because they lived in a warm climate where they did not wear shoes, thus giving 20 fingers and toes.

## Why do the French count the way they do?

The number system in French is derived from that used in Gaulish, the Celtic language spoken in France before the modern Romance language drove it out. … Thus, ninety is ‘ceithir fichead is a deich’ (four twenties and ten, exactly like French ‘quatre vingt dix’).

## What is base-20 called?

A vigesimal (/vɪˈdʒɛsɪməl/) or base-20 (base-score) numeral system is based on twenty (in the same way in which the decimal numeral system is based on ten). Vigesimal is derived from the Latin adjective vicesimus, meaning ‘twentieth’.

## Who invented base-20?

The Kaktovik numerals are a base-20 system created by Alaskan Iñupiat.

## Why is there no word for eighty in French?

In the Middle Ages, 80 in French was called quatre-vingt (80) (four twenty) because people used twenty as the base in their calculation (twenty-ten: 30, two-twenty: 40…). By the end of the Middle Ages, languages evolved and 80 was called octante.

## Why are Danish numbers so weird?

One such subject is counting in Danish numbers, because Danes count in something called vigesimal – which is basically counting in twenties rather than tens (not dissimilar to the French). … Swedish and Norwegian follows a logic structure of counting: 10 in Swedish is Tio. Twenty is Tjugo.

## Why do the French say sixty ten?

In French, soixante (60) is the last iteration of ten to have its own word. Going higher, such as seventy is soixant dix (60-10), eighty is quatre vingt (4-20), 90 is quatre vingt dix (4-20-10).

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## Why did the Mayans use a base-20 system?

The Maya considered some numbers more sacred than others. One of these special numbers was 20, as it represented the number of fingers and toes a human being could count on.

## How did the Mayans write 401?

Any number higher than 19 units in the second position is written using units of the third position. A unit of the third position is worth 400 (20 x 20), so to write 401 a dot goes in the first position, a zero in the second and a dot in the third.

## Are numbers Arabic?

Arabic numerals are the ten numerical digits: 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9. These are by far the most commonly used symbols to write decimal numbers. … European trade, books, and colonialism helped popularize the adoption of Arabic numerals around the world.

## How do you say 72 in French?

The Number 72 in French

72 est le soixante-douzième nombre.