Exactly the same as you have written
what number system is used to write French numbers
No, counting in French involves using French numbers consistently. Mixing French words with English numbers does not count as counting in French. To count in French, you need to use the French words for all the numbers in a sequence.
One can learn French numbers online at various websites such as French Assistant. French Assistant have free French lessons and tests at the end to test your knowledge.
They aren't to the French....
Spanish and French numbers are not the same, but do sound alike. This is because they are both Romance Languages.
Random numbers
It means numbers.
les nombres
101
1000001
French Canadian French is the same as in France, it's just pronounced differently.
It means: Numbers