980

980 is a natural number that comes after 979 and before 981. It is even and composite.

In prime factorization, 980 = 2^2 × 5 × 7^2. It has 18 positive divisors, which are: 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980.

In other bases, 980 is written as 1111010100 in binary and 3D4 in hexadecimal. In Roman numerals it is CMLXXX.

As a year, 980 AD falls in the early part of the Middle Ages. Under the Julian calendar then used in much of Europe, it was a leap year.

In modern infrastructure, 980 is an area code in the North American Numbering Plan, serving part of North Carolina, including Charlotte; the area code overlays the 704 area code.