Numerology

natural number

natural number

natural number

thumb|200px|A four-leaf clover, a rare variant of the [[shamrock, is often considered to bestow good luck.]]

thumb|Numerorum mysteria (1591), a treatise on numerology by Pietro Bongo and his most influential work in Europe

musicians who died at age 27

number associated with the beast in the Book of Revelation; either 666 or 616, depending on the manuscript

eschatological beliefs surrounding 21 December 2012

thumb|upright|An elevator control panel in a residential apartment building in Shanghai with no floor numbered as the 4th thumb|The number 4 missing in a parking lot in Japan Tetraphobia () is the practice of avoiding instances of the digit number . It is a superstition most common in East Asian nations and is associated with death.

In numerology, gematria (; or , plural or , borrowed via Aramaic from ) is the practice of assigning a numerical value to a name, word, or phrase by reading it as a number, or sometimes by using an alphanumeric cipher. The letters of the alphabets involved have standard numerical values, but a word can yield several values if a cipher is used.

natural number

ancient philosophical concept that regards proportions in the movements of celestial bodies as a form of music

one of the two beasts described in the Book of Revelation; the first comes out of the sea, while the second comes out of the earth and directs people to worship the first beast; they are defeated by Christ and are thrown into the lake of fire

144,000 is a natural number with significance in Christianity and Islam.

numbers in Chinese culture

In numerology, isopsephy (stressed on the I and the E; , ) or isopsephism is the practice of adding up the number values of the letters in a word to form a single number. The total number is then used as a metaphorical bridge to other words evaluating the equal number, which satisfies or "equal" in the term. Ancient Greeks used counting boards for numerical calculation and accounting, with a counter generically called ('pebble'), analogous to the Latin word , from which the English calculate is derived.

Chinese name for a specific 3x3 magic square occurring in legendary accounts of the creation of Chinese writing and culture

superstition about numbers

Heptadecaphobia (Greek: , "seventeen" and , , "fear") is the fear of the number 17. It is considered to be ill-fated in Italy and other countries of Greek and Latin origins, while the date Friday the 17th is considered especially unfortunate in Italy. The number is feared due to superstition, and is similar in nature to the fear of the number 13 in Anglo-Saxon countries. __TOC__

belief that most incidents and events are directly connected to the number 23

Number considered bad luck in Afghanistan

significant numbers in Norse mythology and paganism

alleged hidden pattern in the Quranic text based on the number 19

thumb|right|Onomantic table from the Russian version of the Secretum Secretorum Onomancy (or nomancy) is divination based on a subject's name. Onomancy gained popularity in Europe during the Late Middle Ages, but is said to have originated with the Pythagoreans in antiquity. Several methods of analyzing a name are possible, some of which are based on arithmancy or gematria.

unspecified value mentioned by Plato

special number in Thelema philosophy

Theomatics is a numerological study of the Hebrew/Aramaic and Greek text of the Christian Bible (see also Biblical numerology), based upon gematria and isopsephia, by which its proponents claim to show the direct intervention of God in the writing of Christian scripture.

Mandaean religious text