Pythagoreans understood numbers as a creative language that also translates to music/vibration. The trinity is best understood by studying the esoteric meaning of 1,2,3 and how the churches tried to interpret that understanding for thousands of years is seen in the various trinity doctrines both pagan and Christian. The alchemists who built ancient cathedrals encoded it all in the artistic designs. It's fascinating! (Fulcanelli) The number 144 (1000) is also interestingly part of the sacred number system. Maybe you've heard of Platonic solids? Check out these cool videos on Sonicgeometry.com for some easy to learn basics. http://www.sonicgeometry.com/
The numbers and certain biblical passages in the Bible were written for those with special initiate knowledge and can be traced to ancient astrology and make total sense in that context . For example "the kingdom of the heavens is like the mustard seed ", Bahir (ancient Jewish book) . The Bible and book of Revelation is filled with astrological references, I.e. Draco, the original serpent... great books to read are "serpent in the sky" by john Anthony west and "the mysteries of the great cross of mendaye" by jay weidner .
once I read these books, the scriptures meant even more to me. Lots more fun to read. Knowledge of Hebrew language alphabet helps too. Trying to understand the Bible from a literal perspective today; is akin to playing the game telephone with a thousand players. Even Thomas Jefferson stuck to the "words in red", the Jefferson Bible only has jesus' quotes in it.
For christian lessons, I enjoy Joseph Prince Ministry on Tv. I've learned more about Grace, Jesus Christ, ancient Israel and Hebrew words written in the Bible, in a few episodes, then years reading Watchtowers. I don't agree to everything he teaches, but he's easy to learn from, easy on the eyes, and fun. I always learn something good there!
jesus admonishes to keep seeking; I think we all are on very personal journeys and I love hearing everyone here on this forum to see where we all explore after coming out from such a similar religious background . These are just my current thoughts and not intended to preach or distract others. But after asking similar questions regarding the trinity and the 144k, I realize that there are many explanations, so many that I can't unequivocally believe just one, except this - God is Love.
Wishing you all a Happy Journey!