What are the largest one-syllable numbers in English, French, German and Spanish?

Some languages are more efficient than others as far as number of syllables per meaning.

English is usually efficient, but not particularly so with numbers. For example, 77 (seventy-seven) uses 5 syllables, and 1,000 (one thousand) needs 3.

So what is the largest number with only one syllable?

In English it’s 12 (twelve)
In German it’s also 12 (zwölf) 
In French it’s 1,000 (mille)
Finally, in Spanish it’s also 1,000 (mil)

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