3100

3100 is an integer in the decimal system. It is even and composite. Its prime factorization is 2^2 × 5^2 × 31, and it has 18 positive divisors. In various representations, 3100 is written as MMMC in Roman numerals, as 110000011100 in binary, and as 0xC1C in hexadecimal.

In calendrical terms, 3100 CE would lie far in the future. The year 3100 BCE is commonly cited in discussions of ancient Egypt as roughly the period during which Upper and Lower Egypt were united, an event traditionally attributed to a ruler known as Narmer or Menes; however, exact dates from that era are subject to scholarly debate.

As a designation, 3100 is widely used as a model or part number across industries. It appears as a suffix or full identifier for various consumer electronics, machinery, vehicles, and technical products. The usage is typically administrative rather than indicative of a specific function.

In standards and references, the number 31000 appears in the ISO system in related contexts, most notably ISO 31000, which is the international standard for risk management. This demonstrates how a simple four-digit number can crop up across mathematics, history, industry, and governance in different ways.