2285

2285 is the natural number that comes after 2284 and before 2286. In decimal notation it is written as 2285. Its prime factorization is 5 × 457, so 2285 is an odd semiprime. In other numeral systems it is MMCCLXXXV in Roman numerals and 0x8ED in hexadecimal. In binary it is 100011101101.

Mathematically, the sum of its digits is 17. Its divisors are 1, 5, 457, and 2285, giving four positive divisors in total. 2285 is not a perfect square or cube. It is congruent to 2 modulo 3 and to 1 modulo 4.

Calendar and notation: If the year 2285 AD is considered, it would fall in the 23rd century. The year is sometimes used as a distant future setting in speculative fiction, without any single canonical events universally associated with it.

As a number, 2285 is a semiprime and appears in mathematical catalogs of products of two primes. Its representations across numeral systems (decimal, Roman, binary, hexadecimal) illustrate common conversions used in arithmetic and computing contexts.