Question

What is the greatest number that has one comma when written with numerals and with number names

Answer 1

The greatest number that has one comma when written with numerals and with number names is 999,999

In number names form is is written: nini hundred and ninety nine thousand, nine hundred and ninety nine.

Answer 2

Answer

999,999

Explanation

A comma is used after every 3 digits counting from the left. The greatest number is with 3 digits is 999. So we can write 999,999.

When this number is written in words it has one comma. Nine hundred and ninety nine thousand, nine hundred and ninety nine.