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Numbers and the classical 81 numbers
Enter a phone number or vehicle plate to see which of Cai Shen’s 81 numbers in Hongfan Huangji Neipian it maps to, and explore the classical text. For cultural research.
Two schools side by side
For the same number, the classic and modern name-study often say different things. Both are listed with their sources; this site does not judge which is right.
Classic · Cai Shen’s Hongfan Huangji Neipian (Song dynasty), 81 numbers
Modern name-study · “81 stroke numbers”
Category assigned by this site from the wording of the classical text:
1. Reading the original wording
2. Favorable and unfavorable conditions
3. Questions to consider
Read the original and plain-language translation
Original text
Plain-language translation
Five elements of the digits (both schools)
Hetu (classic): 1·6 Water, 2·7 Fire, 3·8 Wood, 4·9 Metal, 5·0 Earth
Modern last-digit method: 1·2 Wood, 3·4 Fire, 5·6 Earth, 7·8 Metal, 9·0 Water
Optional BaZi comparison: the birth season
Enter a birth date to identify the day stem and solar-term month used in the seasonal reading of Qiongtong Baojian, then compare the elements mentioned there with the digits. This only describes their presence or absence; it does not score the number or advise changing it.
This uses only the birth day stem and solar-term month for a seasonal reading. The site’s strength/weakness reading is not finalized and is not used here. Term boundaries use Beijing time (UTC+8). Near a boundary, or after 23:00, the month or day stem may differ; check the BaZi chart page.
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How it works
- This tool is for exploring classical texts, not a basis for decisions.
- The 81 numbers come from Hongfan Huangji Neipian by the Southern Song scholar Cai Shen, a student of Zhu Xi. Classical wording follows the Siku Quanshu edition; the plain-language interpretations and number-mapping rule are Verifate’s own.
- This is separate from the modern Japanese Kumazaki system of 81 name numbers commonly found online.
- The categories “very favorable”, “favorable”, “depends on conduct” and “neutral” are based only on auspicious/inauspicious words in the original text. Passages about illness, childbirth, marriage and legal judgments are quoted without further interpretation; these are historical claims without corresponding modern validation cases.
All 81 numbers
- No. 1 · 原 · Very favorable
This is a number that starts smoothly: the beginning is auspicious, and those who see the signs early and act first will have happy events.
- No. 2 · 潛 · Favorable
This is a number for hiding first: the time has not yet come, so staying quiet and keeping to what is right is smooth; do not rush outward.
- No. 3 · 守 · Depends on conduct
This is a number for keeping one's position: guard what you have, and don't run outward yet.
- No. 4 · 信 · Neutral
This is a number about sincerity and trustworthiness: being solid inside and doing what you say will make you stand firm.
- No. 5 · 直 · Depends on conduct
This is a number about uprightness: a respectful attitude brings smoothness, while stubbornly clinging to one's own views brings trouble.
- No. 6 · 蒙 · Depends on conduct
This is a number for still learning: small matters go smoothly, being pushed to rush does not, and it is suitable for learning.
- No. 7 · 閑 · Depends on conduct
This is a number for guarding boundaries: the situation is a bit tense; guard yourself, and neither cross boundaries nor chase after others.
- No. 8 · 須 · Depends on conduct
This is a number for waiting: be sincere but the timing is unclear; keeping to proper limits will bring joy.
- No. 9 · 厲 · Depends on conduct
This is a number for difficulty first and smoothness later: the beginning is not smooth and comes very fast, but the ending is good.
- No. 10 · 成 · Depends on conduct
This is a number for existing achievements: guarding and being generous brings smoothness; don't destroy your own achievements.
- No. 11 · 冲 · Favorable
This is a very smooth number: with benevolence as the foundation, everything flows, and the original text says nothing is unfavorable.
- No. 12 · 振 · Depends on conduct
This is a number for rousing oneself: taking the lead brings smoothness, while laziness and disrespect bring trouble.
- No. 13 · 祈 · Favorable
This is a number for seeking something: going with sincerity to ask, the original text says nothing is unfavorable.
- No. 14 · 常 · Favorable
This is a number that values persistence: very smooth, and perseverance makes it even smoother.
- No. 15 · 柔 · Depends on conduct
This is a number centered on gentleness: the supporting party is smooth, but the one who should make decisions should not always yield.
- No. 16 · 易 · Depends on conduct
This is a number for smoothness: taking the easy path and being approachable brings smoothness, while taking big risks brings trouble.
- No. 17 · 親 · Favorable
A reading about family harmony: when everyone does their part and family members live harmoniously, family life can flourish.
- No. 18 · 華 · Favorable
This is a number with brilliance: having talent and being upright, moving forward is smooth.
- No. 19 · 見 · Depends on conduct
This is a number for showing: when the inside is full, it naturally shows; hiding and concealing brings trouble.
- No. 20 · 獲 · Depends on conduct
This is a number for gaining something: sincere improvement brings smoothness, while indulgence and comfort bring trouble.
- No. 21 · 從 · Neutral
This is a number for following the right direction: following principle and letting go of selfishness makes moving forward smooth.
- No. 22 · 交 · Neutral
This is a number for give-and-take: one sings and the other harmonizes, mutual response, and proactive action yields small gains.
- No. 23 · 育 · Neutral
This is a number for slow nurturing: following the trend to cultivate, things will gradually take shape.
- No. 24 · 壯 · Favorable
This is a number with strength: using strength on the right path, moving forward has nothing unfavorable.
- No. 25 · 興 · Depends on conduct
This is a number for prosperity: generally smooth, but spreading too wide and using people and effort without restraint brings trouble.
- No. 26 · 欣 · Depends on conduct
This is a number for happiness: days are peaceful and all things flourish, just don't indulge to the point of losing clarity.
- No. 27 · 舒 · Depends on conduct
This is a number for relaxation: like rain and dew nourishing, the original text says nothing is unfavorable, just don't be too urgent or press too close.
- No. 28 · 比 · Neutral
This is a number for harmony among people: superiors and subordinates are close, left and right support each other, and using the right people brings smoothness.
- No. 29 · 開 · Depends on conduct
This is a number for opening up the situation: opening roads and unblocking brings smoothness, while closing the door and hoarding brings trouble.
- No. 30 · 晉 · Depends on conduct
This is a number for moving upward: straightening out people and matters allows advancement, while hard pushing and going against the trend brings trouble.
- No. 31 · 公 · Favorable
This is a number about fairness: first control yourself and keep to the rules, and things will be smooth.
- No. 32 · 益 · Depends on conduct
This is a number for getting better and better: when friends come, treat them well; diligence brings smoothness, laziness brings trouble.
- No. 33 · 章 · Depends on conduct
This is a number for becoming famous: reputation rises greatly and brilliance is grand, but acting improperly brings regret.
- No. 34 · 盈 · Favorable
This is a very full number: conditions are complete, and the original text says act with confidence, no need to hesitate.
- No. 35 · 錫 · Depends on conduct
This is a number with rewards: smooth but with danger, don't force yourself to accept things you cannot match or handle.
- No. 36 · 靡 · Depends on conduct
This is a number for stability: superiors and subordinates are peaceful, guests come, don't chase empty fame.
- No. 37 · 庶 · Depends on conduct
This is a number about public and private: things beneficial to the majority conform to the original text, while things only for the few or only for oneself are unfavorable.
- No. 38 · 決 · Neutral
This is a number for making decisions: use good people, remove bad people, resolve doubts, and keeping to what is right in difficulty is beneficial.
- No. 39 · 豫 · Depends on conduct
This is a number for comfort: the same enjoyment, with propriety it is smooth, without propriety it is trouble.
- No. 40 · 升 · Very favorable
This is a number for rising: the original text says great auspiciousness, relying on doing things so clearly that others understand.
- No. 41 · 中 · Neutral
This is a number for the best time: brilliant and shining, just guard what you have, don't ruin it yourself.
- No. 42 · 伏 · Depends on conduct
This is a number for hiding in the dark: doing things quietly is fine, going outward is not suitable.
- No. 43 · 過 · Neutral
This is a number prone to excess: don't indulge in pleasure, be vigilant; if you must err, better to err on the side of generosity.
- No. 44 · 疑 · Neutral
This is a number with suspicion: there are barriers, rely on clarifying things, not covering up.
- No. 45 · 寡 · Neutral
This is a number for few but refined: suitable to contract, not expand; doing less and making fewer mistakes is better than spreading wide.
- No. 46 · 飾 · Neutral
A reading about propriety: present yourself respectfully and maintain the same standards when alone.
- No. 47 · 戾 · Depends on conduct
This is a number for awkward situations: treating them rigorously brings smoothness, and you can start with small things.
- No. 48 · 虚 · Depends on conduct
A reading about leaving mental space: clarity supports progress, while indulging desires works against it.
- No. 49 · 昧 · Favorable
This is a number for being in the dark: staying low-key and keeping to what is right brings smoothness, and things in the dark will gradually brighten.
- No. 50 · 損 · Favorable
This is a number for subtraction: faults decrease day by day, and the original text says meeting rain is auspicious.
- No. 51 · 用 · Favorable
This is a number for taking action: keeping to what is right and moving forward is smooth; before acting, first ask whether it is right.
- No. 52 · 郤 · Depends on conduct
This is a number for stepping back: suitable to retreat and reflect, not suitable to go forward.
- No. 53 · 翕 · Favorable
This is a number for gathering people: suitable for recruiting and forming alliances; only by sharing can you gather people.
- No. 54 · 遠 · Neutral
A reading about the long term: moving forward is appropriate, with benefits reaching further into the future and the wider community.
- No. 55 · 迅 · Favorable
This is a number that comes quickly: auspicious, with the momentum and change of thunder and wind.
- No. 56 · 懼 · Depends on conduct
This is a number for vigilance: sincere and careful, the ending is good; indulging in food, drink, and pleasure brings trouble.
- No. 57 · 除 · Depends on conduct
A reading about clearing space: remove the weeds before expecting a good harvest; deal with existing problems before starting new ventures.
- No. 58 · 弱 · Depends on conduct
A reading for limited strength: choose support carefully and remain principled through difficulty; the source describes this as free of blame.
- No. 59 · 疾 · Neutral
The original text of this number speaks of diet and daily life care, which this site does not interpret.
- No. 60 · 競 · Depends on conduct
This is a number for chasing each other: time is moving, hard fighting and opposition bring trouble.
- No. 61 · 分 · Neutral
This is a number about fairness: when long and short are even, keeping to what is right is beneficial, don't take advantage.
- No. 62 · 訟 · Depends on conduct
This is a number for reflecting on oneself first: inward examination brings smoothness, argue less, and don't go outward yet.
- No. 63 · 收 · Favorable
A reading about gathering attention inward: recover scattered focus and conserve what you have.
- No. 64 · 實 · Favorable
This is a number for harvest: fruits are abundant, long-term keeping to what is right is smooth.
- No. 65 · 賓 · Favorable
This is a number for being valued: capable people are invited as guests, great joy.
- No. 66 · 危 · Depends on conduct
This is a number for knowing danger: there is risk but no fault, the key is caution without deviating.
- No. 67 · 堅 · Depends on conduct
This is a number for firmness: keeping to righteousness and moving forward is smooth, blindly attacking is trouble.
- No. 68 · 革 · Favorable
This is a number for change: changing with the trend brings smoothness, and keeping to what is right is beneficial.
- No. 69 · 報 · Favorable
This is a number about repayment: don't rush to be first in doing things, being behind is better.
- No. 70 · 止 · Depends on conduct
This is a number for resting in one's position: each keeping to their position is good, exceeding position and breaking rules brings trouble.
- No. 71 · 戎 · Favorable
This is a number with conflict: keeping to what is right is smooth, excessive hardness brings loss, and know how to hide.
- No. 72 · 結 · Depends on conduct
This is a number for slow formation: accumulating step by step brings smoothness, arguing with others brings trouble.
- No. 73 · 養 · Favorable
A reading about inner cultivation: develop the mind and character rather than focusing only on food and drink.
- No. 74 · 遇 · Favorable
This is a number for meeting a good teacher: auspicious, as if heaven is helping.
- No. 75 · 勝 · Depends on conduct
This is a number for winning: there is risk, keeping to what is right and using your brain brings smoothness.
- No. 76 · 囚 · Depends on conduct
This is a number for being trapped: the situation is risky, stay in place first, don't go outward.
- No. 77 · 壬 · Neutral
This is a number for dark outside and bright inside: not showing on the surface, being clear inside brings ease.
- No. 78 · 固 · Favorable
A reading about composure: quiet focus without drawing attention is described as auspicious.
- No. 79 · 移 · Depends on conduct
This is a number for moving: after success, retreat, sticking to old ways brings trouble.
- No. 80 · 墮 · Favorable
This is a number for falling: at the peak there will be a fall, being willing to lower yourself is auspicious.
- No. 81 · 終 · Favorable
This is a number for a perfect ending: auspicious, at the end a new situation opens.
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