- The exponent of the 19th Gaussian Mersenne Prime is 353.
- 353 is the sum of the frequencies of م + ح (Hha +Meem) in Surah 42.
- 19 × 42 = 798.
- 798 is the sum of the frequencies of ص + ع + ي + ه + ك (Kaf+ Ha + Ya + Ain + Sad) in Sura 19.
- 353rd Composite is 438.
- 438th Composite is 538.
- 538th Non-Chen Prime is 9127.
- 798th Gaussian Composite is 13613.
- 13613 is the 548th Lonely Gaussian Composite.
- 548th Additive Prime is 9127.
