2193

2193 is a natural number that follows 2192 and precedes 2194. In mathematics it is used in various numerical contexts and as an identifier in datasets.

In mathematics, 2193 is an odd composite number with prime factorization 3 × 17 × 43. Its positive divisors are 1, 3, 17, 43, 51, 129, 731, and 2193. The digit sum is 15, so the number is divisible by 3. Its Roman numeral representation is MMCXCIII. In common base representations, 2193 equals 100010010001 in binary, 4221 in octal, and 891 in hexadecimal. The Euler totient φ(2193) equals 1344.

As a year, 2193 CE would occur in the 22nd century of the Gregorian calendar. Any specific historical events for that year are speculative and not established in the present record.

Beyond pure arithmetic and calendrical use, 2193 can appear as an identifier in catalogs, product model numbers, route designations, or other numbering schemes. Its versatility as a number means it may appear in various technical, historical, or cultural contexts without a single dominant association.