Hot/Cold, Open/Closed – Ways to look at numbers

Often, when we discuss planets, cards, or numbers, we personify them as a means to better convey their energy. This can be extended to things like temperature or how “open” or “closed” a number may be, among others. It is more common to see the numbers in Numerology expressed as “even numbers are this” or “odd numbers are that”, when they are much more dynamic.


Heat brings warmth into our lives. Someone or something’s warmth is often used to describe positive emotional characteristics. Warm is often synonymous with loving, friendly, and compassionate. An excess of heat would produce passion, volatility, and anger.

Hot numbers are 2, 3, 5, 6, 9.

When someone or something is described as being cold, it is often synonymous with structured, streamlined, direct, or reserved behaviours. An excess of cold would produce rigidness and indifference.

Cold numbers are 1, 4, 7, 8.


Stable energy creates a sense of grounding and purpose. It is a structured and safe energy. Too much stability can create complacency and boredom.

Stable numbers are 1, 4, 7, 8.

Unstable energy creates a sense of unpredictability. It is more difficult to see the patterns within unstable energy, and can make a person feel exposed and out of control. Too much instability brings chaos and scattered energy that competes with itself.

Unstable numbers are 2, 3, 5, 6, 9.


Open energy is receptive. These numbers are generally seen as expressive and social. An over abundance of open energy can be draining and stressful, making it hard to focus on the task at hand.

Open numbers are 3, 5, 6, 9.

Closed energy is cautious. These numbers are more often seen as prudent or structured. Too much closed energy can breed frustration and rebelliousness, or despair.

Closed numbers are 1, 2, 4, 7, 8.

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