642728

642728 is a number that falls between 642727 and 642729 in the sequence of natural numbers. It is an even number, as it is divisible by 2 without leaving a remainder. In base 10, it is written as six hundred forty-two thousand seven hundred twenty-eight. In scientific notation, it is expressed as 6.42728 x 10^5. The number 642728 is also a composite number, as it has factors other than 1 and itself. Its prime factorization is 2^2 x 7 x 45837. In binary, 642728 is represented as 10011101001101101000. This number does not hold any significant mathematical or historical importance, but it serves as an example of a six-digit number in the decimal system.