Question

Char anko ki sabse choti sankhya

Answer 1

1000 is well-known as the smallest four digit number. When it comes to one thousand or 1000, it is the natural number actually preceding 1001 and following 999.

In most of the English-speaking nations, it is usually written with the comma separating thousand units.

It is mentioned as 1,000. It can be considered as the smallest 4 digit number.