147
147 is a natural number that follows 146 and precedes 148. In mathematics, it is an odd composite number with prime factorization 3 × 7^2.
Its divisors are 1, 3, 7, 21, 49, and 147; thus it is not square-free due to
As a sum of two squares, 147 cannot be expressed as x^2 + y^2 for integers x and
However, 147 can be written as a sum of three squares, for example 147 = 11^2 + 5^2 +
In other representations, 147 in base 10 is written as 147; in base 16 it is 0x93,
In darts, 147 is a well-known high checkout, often achieved as T20, T19, and D15 for a
As a natural number, 147 is used in various contexts such as year references, including 147 CE.