This is how to dictate numbers as numerals in iOS 17 using voice control

This is a response to the original question How to dictate numbers as numerals in iOS… - Apple Community:

Using voice control, you can create custom "phrases" to execute commands or insert text.

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I simply used the word 'digit' instead of the word 'numeral' but you can customize it to just about any word that is not used by the voice command system.

FYI, you can activate/deactivate voice control using Siri. "Hey Siri, turn on voice control".