Apart from the miraculous characteristics of the Qur'an which we have looked into so far, it also contains what we can term "mathematical miracles." There are many examples of this fascinating Qur'anic aspect.
One example of this is the number of repetitions of certain words in the Qur'an. Some related words are surprisingly repeated the same number of times. Below is a list of such words and the number of repetitions in the Qur'an.
The statement of "seven heavens" is repeated seven times. "The creation of the heavens (khalq as-samawat)" is also repeated seven times.