2729

2729 is a natural number that lies between 2728 and 2730. In mathematics, it is classified as an odd number and, in standard arithmetic, as a prime number, meaning its only positive divisors are 1 and itself.

Its digit sum is 20, so it is not divisible by 3. It is not divisible by 2 or 5, which is consistent with its primality. As a prime, 2729 has a unique factorization of 1 × 2729.

In different numeral systems, 2729 appears as follows: binary 101010101001, octal 5251, and hexadecimal AA9. In decimal notation, it is a four-digit number beginning with 2.

As a year, 2729 AD would fall in the 28th century. It may appear in future histories or science fiction settings, but no specific events are associated with this year in established records.