- 798 is the frequency of K, H, Y, A’, S in sura 19.
- The index of composite 798 is 658.
- The index of composite 658 is 538.
- 538th Non-Chen prime is 9127.
- 538 = 2 × 269.
- The indices of primes 2 and 269 are 1 and 57.
- 157th lonely prime is 1657.
- 165719 = 912710.
- The digits of 658 are the indices of primes 13, 11, and 19.
- 13 × 11 × 19 = 2717.
- 2717th verse from the beginning of the Quran is 23:46.
- 2346 is the 1998th composite and 19 has 98 verses.
- Note, from 1:1 to 19:98 there are 2346 verses.
