8198

8198 is the natural number that follows 8197 and precedes 8199. It is an even composite number. The prime factorization is 2 × 4099, with 4099 being prime, so 8198 is a semiprime. Its proper divisors are 1, 2, and 4099; the sum of these divisors is 4102, which is less than 8198, so the number is deficient.

In decimal notation, 8198 is written as 8198. In binary it is 10000000000110. In hexadecimal it is 0x2006, and in octal it is 20006.

Semiprimes, such as 8198, are products of two primes and are of interest in number theory due to their simple factorization structure. They are also discussed in the context of cryptography, where larger semiprimes play a role in certain encryption schemes. For 8198 specifically, its factorization is easily verified as 2 × 4099.

Overall, 8198 serves as a straightforward example of a small semiprime and illustrates basic properties such as evenness, compositeness, and the corresponding numeral representations across common bases. See also semiprime and lists of prime numbers for related topics.

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