Why am I doing this?

1. 4plus one plus 8 is 13
2. 4 plus two plus 7 is 13
3. 4 plus three plus 6 is 13
4. 4 plus four plus 5 is 13
5. 4 plus five plus 4  is 13
6. 4 plus six plus 3 is 13
7. 4 plus seven plus 2 is 13
8. 4 plus eight plus 1 is 13
9. 4 plus nine plus 0 is 13.
10. which number is good????
11.  418,427,436,445, 454,463,472,481,490.
12. https://www.sunsigns.org/angel-number-418-meaning/
13. https://www.amazon.in/Ajanta-Musical-Pendulum-Clock-427/dp/B00EWKWHNC
14. https://www.sunsigns.org/angel-number-436-/www.sunsigns.org/angel-number-427-meaning/
15. https://www.sunsigns.org/angel-number-436-meaning/
16. to be continued.