19868

19868 is a natural number that lies between 19867 and 19869. It is an even and composite integer, meaning it has more than two distinct positive divisors.

The prime factorization of 19868 is 2^2 × 4967, where 4967 is a prime number. Accordingly, the positive divisors of 19868 are 1, 2, 4, 4967, 9934, and 19868. Its parity, divisibility by 4, and lack of divisibility by 3 or 5 follow from these factors. The sum of its digits is 32, giving a digital root of 5, and it is congruent to 4 modulo 8 (since 19868 = 8 × 2483 + 4).

In alternative representations, 19868 equals 0x4D9C in hexadecimal, 100110110011100 in binary, and 46634 in octal. It is not a perfect square, since 141^2 = 19881 and 140^2 = 19600. As a product of 4 and a prime, it is not a higher prime power and has exactly six positive divisors.

In general use, 19868 may appear as a numerical identifier in catalogs, statistics, or sequencing. There is no widely recognized event, object, or designation uniquely tied to this specific number.

See also: 19867, 19869.