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
Hokkien numerals "pah-" or "chheng-" are used instead of the lengthy way, which requires the speaker to state "how many "chheng", how many "pah", and how many "cha̍p"". For expressing fractions, one should use the sentence pattern like "cardinal number + "hun-chi" + cardinal number"; for example, "gō͘ hun-chi it" (五分之一) for "one fifth" (1/5). Note that the colloquial set of numerals is used in fractional numerals with still the exception of numerals 1 and 2, which should use the literary set as "it" and "jī". For expressing decimals, one should only use the literary numeral set with "tiám" (點) for the