Salaam,
There seems to be a link between the verses of the chapters with initial letters and number 13.
The 29 chapters with initial letters in the Qur'an.
[TD="class: xl68"] chapters with initial letters
[/TD]
[TD="class: xl67"] total verses [/TD]
[TD="class: xl67"] even verses
[/TD]
[TD="class: xl67, width: 64"] odd.verses [/TD]
[TD="class: xl67, width: 64"] homogeneous
[/TD]
[TD="class: xl67, width: 64"] heterogeneous
[/TD]
[TD="class: xl67, width: 64"] initial letters
[/TD]
[TD="class: xl65"][/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"][/TD]
[TD="class: xl65, align: left"]2. Al-Baqarah[/TD]
[TD="class: xl66"]286[/TD]
[TD="class: xl66"]286[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]286[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"] الم [/TD]
[TD="class: xl65, align: left"]3. Aali Imran[/TD]
[TD="class: xl66"]200[/TD]
[TD="class: xl66"]200[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]200[/TD]
[TD="class: xl66"] الم [/TD]
[TD="class: xl65, align: left"]7. Al-A’raf[/TD]
[TD="class: xl66"]206[/TD]
[TD="class: xl66"]206[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]206[/TD]
[TD="class: xl66"] المص [/TD]
[TD="class: xl65, align: left"]10. Yunus[/TD]
[TD="class: xl66"]109[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]109[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]109[/TD]
[TD="class: xl66"] الر [/TD]
[TD="class: xl65, align: left"]11. Hud[/TD]
[TD="class: xl66"]123[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]123[/TD]
[TD="class: xl66"]123[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"] الر [/TD]
[TD="class: xl65, align: left"]12. Yusuf[/TD]
[TD="class: xl66"]111[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]111[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]111[/TD]
[TD="class: xl66"] الر [/TD]
[TD="class: xl65, align: left"]13. Ar-Ra’d[/TD]
[TD="class: xl66"]43[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]43[/TD]
[TD="class: xl66"]43[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"] المر [/TD]
[TD="class: xl65, align: left"]14. Ibrahim[/TD]
[TD="class: xl66"]52[/TD]
[TD="class: xl66"]52[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]52[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"] الر [/TD]
[TD="class: xl65, align: left"]15. Al-Hijr[/TD]
[TD="class: xl66"]99[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]99[/TD]
[TD="class: xl66"]99[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"] الر [/TD]
[TD="class: xl65, align: left"]19. Maryam[/TD]
[TD="class: xl66"]98[/TD]
[TD="class: xl66"]98[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]98[/TD]
[TD="class: xl66"] كهيعص [/TD]
[TD="class: xl65, align: left"]20. Ta-Ha[/TD]
[TD="class: xl66"]135[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]135[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]135[/TD]
[TD="class: xl66"] طه
[/TD]
[TD="class: xl65, align: left"]26. Ash-Shu’ara[/TD]
[TD="class: xl66"]227[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]227[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]227[/TD]
[TD="class: xl66"] طسم [/TD]
[TD="class: xl65, align: left"]27. An-Naml[/TD]
[TD="class: xl66"]93[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]93[/TD]
[TD="class: xl66"]93[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"] طس [/TD]
[TD="class: xl65, align: left"]28. Al-Qasas[/TD]
[TD="class: xl66"]88[/TD]
[TD="class: xl66"]88[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]88[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"] طسم [/TD]
[TD="class: xl65, align: left"]29. Al-Ankabut[/TD]
[TD="class: xl66"]69[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]69[/TD]
[TD="class: xl66"]69[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"] الم [/TD]
[TD="class: xl65, align: left"]30. Ar-Rum[/TD]
[TD="class: xl66"]60[/TD]
[TD="class: xl66"]60[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]60[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"] الم [/TD]
[TD="class: xl65, align: left"]31. Luqman[/TD]
[TD="class: xl66"]34[/TD]
[TD="class: xl66"]34[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]34[/TD]
[TD="class: xl66"] الم [/TD]
[TD="class: xl65, align: left"]32. As-Sajdah[/TD]
[TD="class: xl66"]30[/TD]
[TD="class: xl66"]30[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]30[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"] الم [/TD]
[TD="class: xl65, align: left"]36. Ya-Sin[/TD]
[TD="class: xl66"]83[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]83[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]83[/TD]
[TD="class: xl66"] يس [/TD]
[TD="class: xl65, align: left"]38. Sad[/TD]
[TD="class: xl66"]88[/TD]
[TD="class: xl66"]88[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]88[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"] ص [/TD]
[TD="class: xl65, align: left"]40. Ghafar[/TD]
[TD="class: xl66"]85[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]85[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]85[/TD]
[TD="class: xl66"] حم [/TD]
[TD="class: xl65, align: left"]41. Fusilat[/TD]
[TD="class: xl66"]54[/TD]
[TD="class: xl66"]54[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]54[/TD]
[TD="class: xl66"] حم [/TD]
[TD="class: xl65, align: left"]42. Ash-Shura[/TD]
[TD="class: xl66"]53[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]53[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]53[/TD]
[TD="class: xl66"] حم عسق [/TD]
[TD="class: xl65, align: left"]43. Az-Zukhruf[/TD]
[TD="class: xl66"]89[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]89[/TD]
[TD="class: xl66"]89[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"] حم [/TD]
[TD="class: xl65, align: left"]44. Ad-Dukhan[/TD]
[TD="class: xl66"]59[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]59[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]59[/TD]
[TD="class: xl66"] حم [/TD]
[TD="class: xl65, align: left"]45. Al-Jathiyah[/TD]
[TD="class: xl66"]37[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]37[/TD]
[TD="class: xl66"]37[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"] حم [/TD]
[TD="class: xl65, align: left"]46. Al-Ahqaf[/TD]
[TD="class: xl66"]35[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]35[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]35[/TD]
[TD="class: xl66"] حم [/TD]
[TD="class: xl65, align: left"]50. Qaf[/TD]
[TD="class: xl66"]45[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]45[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]45[/TD]
[TD="class: xl66"] ق [/TD]
[TD="class: xl65, align: left"]68. Al-Qalam[/TD]
[TD="class: xl66"]52[/TD]
[TD="class: xl66"]52[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]52[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"] ن [/TD]
[TD="class: xl65"][/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"][/TD]
[TD="class: xl65, align: left"] sum
[/TD]
[TD="class: xl66"] 2743
[/TD]
[TD="class: xl66"] 1248
[/TD]
[TD="class: xl66"] 1495
[/TD]
[TD="class: xl66"] 1209
[/TD]
[TD="class: xl66"] 1534
[/TD]
[TD="class: xl66"] 78
[/TD]
[TD="class: xl65"][/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"][/TD]
Number of verses of the first chapter with initial letters :
286 = 13 × 22
-------------
Number of verses of the last chapter with initial letters :
52 = 13 × 4
-------------
Sum of the verses:
2743 = 13 × 211
-------------
Sum even verse number:
1248 = 13 × 96
then also
Sum odd verse number:
1495 = 13 × 115
-------------
Sum homogeneous chapter:
1209 = 13 × 93
then also
Sum heterogeneous chapter:
1534 = 13 ×118
-------------
Total letters:
78 = 13 × 6
-------------
note:
- homogeneous chapter: even chapter number and even verse number or odd chapter number and odd verse number.
- heterogeneous chapter: even chapter number and odd verse number or odd chapter number and even verse number.
source(arabic): http://www.alargam.com/sorts/jalghoom/7/16.htm
There seems to be a link between the verses of the chapters with initial letters and number 13.
The 29 chapters with initial letters in the Qur'an.
[TD="class: xl68"] chapters with initial letters
[/TD]
[TD="class: xl67"] total verses [/TD]
[TD="class: xl67"] even verses
[/TD]
[TD="class: xl67, width: 64"] odd.verses [/TD]
[TD="class: xl67, width: 64"] homogeneous
[/TD]
[TD="class: xl67, width: 64"] heterogeneous
[/TD]
[TD="class: xl67, width: 64"] initial letters
[/TD]
[TD="class: xl65"][/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"][/TD]
[TD="class: xl65, align: left"]2. Al-Baqarah[/TD]
[TD="class: xl66"]286[/TD]
[TD="class: xl66"]286[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]286[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"] الم [/TD]
[TD="class: xl65, align: left"]3. Aali Imran[/TD]
[TD="class: xl66"]200[/TD]
[TD="class: xl66"]200[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]200[/TD]
[TD="class: xl66"] الم [/TD]
[TD="class: xl65, align: left"]7. Al-A’raf[/TD]
[TD="class: xl66"]206[/TD]
[TD="class: xl66"]206[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]206[/TD]
[TD="class: xl66"] المص [/TD]
[TD="class: xl65, align: left"]10. Yunus[/TD]
[TD="class: xl66"]109[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]109[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]109[/TD]
[TD="class: xl66"] الر [/TD]
[TD="class: xl65, align: left"]11. Hud[/TD]
[TD="class: xl66"]123[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]123[/TD]
[TD="class: xl66"]123[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"] الر [/TD]
[TD="class: xl65, align: left"]12. Yusuf[/TD]
[TD="class: xl66"]111[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]111[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]111[/TD]
[TD="class: xl66"] الر [/TD]
[TD="class: xl65, align: left"]13. Ar-Ra’d[/TD]
[TD="class: xl66"]43[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]43[/TD]
[TD="class: xl66"]43[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"] المر [/TD]
[TD="class: xl65, align: left"]14. Ibrahim[/TD]
[TD="class: xl66"]52[/TD]
[TD="class: xl66"]52[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]52[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"] الر [/TD]
[TD="class: xl65, align: left"]15. Al-Hijr[/TD]
[TD="class: xl66"]99[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]99[/TD]
[TD="class: xl66"]99[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"] الر [/TD]
[TD="class: xl65, align: left"]19. Maryam[/TD]
[TD="class: xl66"]98[/TD]
[TD="class: xl66"]98[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]98[/TD]
[TD="class: xl66"] كهيعص [/TD]
[TD="class: xl65, align: left"]20. Ta-Ha[/TD]
[TD="class: xl66"]135[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]135[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]135[/TD]
[TD="class: xl66"] طه
[/TD]
[TD="class: xl65, align: left"]26. Ash-Shu’ara[/TD]
[TD="class: xl66"]227[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]227[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]227[/TD]
[TD="class: xl66"] طسم [/TD]
[TD="class: xl65, align: left"]27. An-Naml[/TD]
[TD="class: xl66"]93[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]93[/TD]
[TD="class: xl66"]93[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"] طس [/TD]
[TD="class: xl65, align: left"]28. Al-Qasas[/TD]
[TD="class: xl66"]88[/TD]
[TD="class: xl66"]88[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]88[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"] طسم [/TD]
[TD="class: xl65, align: left"]29. Al-Ankabut[/TD]
[TD="class: xl66"]69[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]69[/TD]
[TD="class: xl66"]69[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"] الم [/TD]
[TD="class: xl65, align: left"]30. Ar-Rum[/TD]
[TD="class: xl66"]60[/TD]
[TD="class: xl66"]60[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]60[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"] الم [/TD]
[TD="class: xl65, align: left"]31. Luqman[/TD]
[TD="class: xl66"]34[/TD]
[TD="class: xl66"]34[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]34[/TD]
[TD="class: xl66"] الم [/TD]
[TD="class: xl65, align: left"]32. As-Sajdah[/TD]
[TD="class: xl66"]30[/TD]
[TD="class: xl66"]30[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]30[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"] الم [/TD]
[TD="class: xl65, align: left"]36. Ya-Sin[/TD]
[TD="class: xl66"]83[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]83[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]83[/TD]
[TD="class: xl66"] يس [/TD]
[TD="class: xl65, align: left"]38. Sad[/TD]
[TD="class: xl66"]88[/TD]
[TD="class: xl66"]88[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]88[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"] ص [/TD]
[TD="class: xl65, align: left"]40. Ghafar[/TD]
[TD="class: xl66"]85[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]85[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]85[/TD]
[TD="class: xl66"] حم [/TD]
[TD="class: xl65, align: left"]41. Fusilat[/TD]
[TD="class: xl66"]54[/TD]
[TD="class: xl66"]54[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]54[/TD]
[TD="class: xl66"] حم [/TD]
[TD="class: xl65, align: left"]42. Ash-Shura[/TD]
[TD="class: xl66"]53[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]53[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]53[/TD]
[TD="class: xl66"] حم عسق [/TD]
[TD="class: xl65, align: left"]43. Az-Zukhruf[/TD]
[TD="class: xl66"]89[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]89[/TD]
[TD="class: xl66"]89[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"] حم [/TD]
[TD="class: xl65, align: left"]44. Ad-Dukhan[/TD]
[TD="class: xl66"]59[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]59[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]59[/TD]
[TD="class: xl66"] حم [/TD]
[TD="class: xl65, align: left"]45. Al-Jathiyah[/TD]
[TD="class: xl66"]37[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]37[/TD]
[TD="class: xl66"]37[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"] حم [/TD]
[TD="class: xl65, align: left"]46. Al-Ahqaf[/TD]
[TD="class: xl66"]35[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]35[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]35[/TD]
[TD="class: xl66"] حم [/TD]
[TD="class: xl65, align: left"]50. Qaf[/TD]
[TD="class: xl66"]45[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]45[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]45[/TD]
[TD="class: xl66"] ق [/TD]
[TD="class: xl65, align: left"]68. Al-Qalam[/TD]
[TD="class: xl66"]52[/TD]
[TD="class: xl66"]52[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"]52[/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"] ن [/TD]
[TD="class: xl65"][/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"][/TD]
[TD="class: xl65, align: left"] sum
[/TD]
[TD="class: xl66"] 2743
[/TD]
[TD="class: xl66"] 1248
[/TD]
[TD="class: xl66"] 1495
[/TD]
[TD="class: xl66"] 1209
[/TD]
[TD="class: xl66"] 1534
[/TD]
[TD="class: xl66"] 78
[/TD]
[TD="class: xl65"][/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"][/TD]
[TD="class: xl66"][/TD]
Number of verses of the first chapter with initial letters :
286 = 13 × 22
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Number of verses of the last chapter with initial letters :
52 = 13 × 4
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Sum of the verses:
2743 = 13 × 211
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Sum even verse number:
1248 = 13 × 96
then also
Sum odd verse number:
1495 = 13 × 115
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Sum homogeneous chapter:
1209 = 13 × 93
then also
Sum heterogeneous chapter:
1534 = 13 ×118
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Total letters:
78 = 13 × 6
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note:
- homogeneous chapter: even chapter number and even verse number or odd chapter number and odd verse number.
- heterogeneous chapter: even chapter number and odd verse number or odd chapter number and even verse number.
source(arabic): http://www.alargam.com/sorts/jalghoom/7/16.htm