The number 3 in nature and reality: Reality consists of 3 things, matter, time, and space. Each one of these 3 things can be further divided into 3 things. There's 3, threes for you right there. Maybe 333 just represents all of reality or completeness because of this? It's said to represent completeness in many forms of numerology and religious traditions.
1. Matter exists primarily in 3 states: solids, liquids, and gases
2. Time exists in 3 ways: Past, present, future
3. Space is divisible by 3 as we live in a 3 dimensional reality: Height, depth, width
YOU are made of three parts, a body, mind, and spirit.
The Earth being the only known planet in the solar system to contain life, is the THIRD planet from the Sun.
Thought, word, and deed, complete the sum of human capability
The Three Kingdoms of animal, vegetable, and mineral further divide matter into 3 parts.
The number 3 in religions:
Wicca- The rule of 3 -claims that whatever energy a person puts out into the world, be it positive or negative, will be returned to that person three times.
Buddhism-
Three Jewels: Buddha, Dharma, Sangha
Three Roots: Guru, Yidam and Dakini/Dharmapala
3 Negatives: Ignorance, Clinging/Greed/Desire, and Passion/Anger
Three Kayas: realities or states of existence
Three forms of action: mental, verbal, and physical
Christianity-
The Trinity- God exists as three Persons
3 wise men payed homage to Jesus as a child
Christ was dead for 3 days before the resurrection
God's attributes are three: omniscience, omnipresence, and omnipotence
There are 3 gates on each side of New Jerusalem and 3 walls in the sanctuary