# Number one

**Number one** underlies many concepts. The words "lonely", "loneliness" and "loner" all have the root "one", as well as "individual farmer", "single" - the root "one", "one". "Solo", a performance with the help of a single instrument, came from the Latin word "solus", which means "lonely"; from him, in turn, formed the words "solidarity" and "tapeworm" (a game with one participant). The number one is the smallest natural number greater than zero.

Number one, a single instance of something, related words: "unity", "unite", "connection". From the Latin root "unus", which means "one", there were such words as unison, uniform, unique, unisex.

x*1 = 1*x = x. As a result, the number one is automorphic in any positional numeral system. Similarly, in connection with this property, it is called the multiplicative unit, and is a neutral element.

At present, in mathematics it is customary not to include the number one either prime numbers, or to compound ones, since this violates the uniqueness of factorization important for number theory. The last of the professional mathematicians who considered it as simple was Henri Lebesgue in 1899.

In ancient China, the number one was a symbol of the masculine, it was considered auspicious. In Buddhism, the unit is the number of Dharma. In European culture, the unit is closely related to marriage, the basis of which is monogamy. According to the Christian tradition, a man and a woman can have only one wife at a time. Number one as a reference point is considered the symbol of the championship.