There is nothing called bad or unlucky numbers in numerology. Number which is lucky for one can be unlucky for some other person. But still there are some numbers like 13 which are considered unlucky by lot of people. The numbers which bring in negativity in one's life or exert a bad impact on one’s life are called unlucky numbers. Unlucky numbers depend on someone’s belief or experience with that particular number.
Vibrations Associated with Numbers:
Lot of people have experienced certain vibrations associated with numbers. Lot of people have experienced that by changing some syllables in the name have resulted in the improvement in fortunes. Actually by changing the syllables, they tend to change the numbers which impact their life. So in nutshell the people experience change in vibrations which further exert positivity on one's life. Numerology is the study of the purported divine, mystical or other special relationship between a number and some coinciding observed (or perceived) events.
Lucky Numbers in Numerology:
The numbers which have relatively good impact on one’s life is said to be the lucky numbers (with respect to the belief of that person). The lucky numbers are suggested on the basis of one’s name, date of birth etc.
Numbers have always been important, but viewing the history of many ages many civilization have given some numbers importance on others on the basis of their significance on that particular civilization. You might have noticed that many hotels and buildings do not have any floor with number 13. The reason is that number 13 is considered inauspicious by many. Some people tend to relate this notion with superstition.
Unlucky Numbers in Numerology:
The numbers which tend to exert negative effect on one's life are called unlucky numbers. This negative effect can be felt by person in any aspect of life be it career, health, education, income, love life and relationships etc. Also unlucky numbers depend on one's preconceived notions or previous experiences or experiences by some other known people.
Here is the list of most common unlucky and inauspicious numbers:
Number 13 - In Numerology, no number is considered lucky or unlucky, yet each number does carry certain strengths and weaknesses -- and it's up to us, as humans, to bring out the positives or the negatives of each number. Yet while Numerology considers no number to be truly unlucky, the 13 is still a Karmic Debt number in Numerology. Those who experience the Karmic Debt 13 in their Numerology charts may consider it unlucky, as it tends to bring many obstacles and much frustration. For those not plagued by the 13 Karmic Debt, the number 13 simply represents hard work and a dedication to slow, steady progress.
Number 4 – Number 4 is bad luck in the Far East. The pronunciation of the number four in Japanese is very similar to the word death, and because of this, four has been considered bad luck in Japan, Korea and China. It is considered very bad luck to give a gift that is made up of four pieces to someone. Many buildings in heavily Asian areas do not have a fourth floor, much like the way North American cultures treat the number 13. In Western culture, four isn’t necessarily considered lucky or unlucky, however, there are a few unlucky fours. The Four Horsemen of the Apocalypse from the Christian bible, and most swear words are called “four letter words.
Number 666 - Number 666 stands for the anti-Christ. Bible says that it the Evil’s number. This is avoided on Car plates, as last digits of phone numbers, room numbers in hotels (few countries).
In Numerology, the number 6 is actually the number of support, self-sacrifice, loyalty and care -- all pretty positive traits, right? And since the sequence of three 6s adds to an 18/9, we actually see global, humane energy coming from the 666. Nonetheless, the 6 does have a dark side: when it doesn't receive the level of care it expects from others, the 6 can become an angry and even violent force. The 6 is considered the most harmonious of numbers, yet also the most dangerous.
Number 43 – One of the dreaded numbers in numerology,and even if it comes as first name, it should be avoided as it can increase the animal instinct of a person and keeps us away from reaching the divine plane. With this number, it may be difficult to realize this phrase "We are spiritual beings in human form".
More Bad or Unlucky Numbers in Numerology
Numbers 18, 36, 38, 44, 47, 62, 63, 71, 74, 81, 89 are also unlucky to be name totals for persons, businesses, places etc in certain situations.