## What was the first number system?

The earliest number systems were simple tally marks, probably first made on sticks and later on stone tablets or pottery.

The Babylonian number system was the first known positional number system, and it was sexagesimal, meaning it used a base of sixty..

## What is the oldest number in the world?

The first irrational number discovered was the square root of 2, by Hippasus of Metapontum (then part of Magna Graecia, southern Italy) around 500 BC. A student of the great mathematician Pythagoras, Hippasus proved that ‘root two’ could never be expressed as a fraction.

## When was the first number system created?

The first known system with place value was the Mesopotamian base 60 system (ca. 3400 BC) and the earliest known base 10 system dates to 3100 BC in Egypt.

## Who is the father of mathematics?

mathematician ArchimedesGreek mathematician Archimedes is widely considered by many to be the “father of mathematics.” He is regarded as one of the leading scientists in classical antiquity and is credited with designing numerous innovative machines, including the screw pump and siege engines.

## Who invented 0?

Brahmagupta”Zero and its operation are first defined by [Hindu astronomer and mathematician] Brahmagupta in 628,” said Gobets. He developed a symbol for zero: a dot underneath numbers.