1090

1090 is a natural number that comes after 1089 and before 1091. In Roman numerals it is MXC, and in hexadecimal it is 0x442. In binary it is 10001000010.

Mathematically, 1090 is even and composite. Its prime factorization is 2 × 5 × 109, and its positive divisors are 1, 2, 5, 10, 109, 218, 545, and 1090.

As a calendar year, 1090 CE falls in the High Middle Ages. It is used in historical dating to situate events and documents in Europe, the Middle East, and parts of Asia, though specific occurrences vary by source and context.

In other contexts, 1090 can appear in catalog numbers, model identifiers, or administrative codes. As a numeric label, it does not inherently carry a meaning beyond its mathematical and calendrical uses.