18181848

18181848 is a positive integer in base-10 notation, equal to 18,181,848.

Its decimal representation—1, 8, 1, 8, 1, 8, 4, 8—displays a pattern of the pair "18" repeated three times and ending with "48."

Arithmetic properties: the number is even and the sum of its digits is 39, so it is divisible by 2 and 3, hence by 6. It ends with 848, making it divisible by 8 as well. In fact, 18181848 is divisible by 24, with a quotient of 757,577.

Prime factorization: 18181848 = 2^3 × 3 × 757,577. The factor 757,577 is odd, and its full factorization is not shown here.

Pattern and context: the number is sometimes noted for its repeating-digit structure, which makes it a point of mild interest in discussions of numbers with regular patterns. There is no widely known mathematical constant, historical event, or cultural significance specifically associated with 18181848.

In summary, 18181848 is a large, even, composite integer recognizable for its repeating-digit pattern and straightforward divisibility properties, with its complete factorization beginning with 2^3 × 3 × 757,577.