713

713 is a natural number that comes after 712 and before 714. In mathematics, it is a semiprime, since it factors into two primes: 23 and 31. Therefore 713 = 23 × 31. It is an odd composite number with divisors 1, 23, 31, and 713. In Roman numerals, 713 is written as DCCXIII.

713 CE is a year in the early medieval period and is referenced in historical timelines as part of the 700s decade.

In the North American Numbering Plan, 713 is the area code associated with Houston, Texas. It was one of the original area codes established in 1947 and has since been subjected to splits and overlays to meet demand. Today, the Houston region uses 713 alongside overlay codes such as 281 and 832, serving central Houston and surrounding areas.

Culturally, 713 is commonly associated with Houston in the United States due to its use as the city’s area code. The number appears in regional branding and is sometimes used as a shorthand reference to the city in media and popular culture.