666 (number) on 1/149 in base 10 has a magic total of 666. The prime factorization of 666 is 2 • 3 • 37. Also, 666 is the sum of squares of first seven primes: formula_2 The Roman numeral for 666, DCLXVI, has exactly one occurrence of all symbols whose value is less than 1000 in decreasing order (D = 500, C = 100, L = 50, X = 10, V = 5, I = 1). In the Textus Receptus manuscripts of the New Testament, the Book of Revelation () cryptically asserts 666 to be "man's number" or "the number of a
Slovene numerals plural mass nouns, as well as to emphasise diversity of what is counted. Those from 2 to 5 are: dvoje, troje, četvero, petero: for example, dvoje oči, dvoje vrat, troje ljudi (two eyes, two doors, three people). Multiplicative numbers are adjectives that denote a certain multiplication of something, similar to suffixing "-fold" in English. They are formed in two possible ways, with more or less the same meaning: Slovene numerals The names for numerals in the Slovene language are formed in a similar way to that found in other Slavic languages. An exception is the formation of numerals from 21