244

244 is the natural number that follows 243 and precedes 245. In arithmetic, it has the prime factorization 2^2 · 61, making it an even, composite number. The sum of its proper divisors is 190, which is less than 244, so 244 is a deficient number. It is divisible by 1, 2, 4, 61, 122, and 244.

In representations, 244 is written as decimal 244; binary 11110100; octal 364; hexadecimal F4; and in Roman numerals CCXLIV.

In the calendar, the year 244 CE marked a notable phase in the Roman–Persian conflict. Emperor Gordian III died during a Persian campaign led by Shapur I, and the Romans suffered losses at the Battle of Misiche. The events of that year contributed to a rapid change in imperial leadership, with Philip the Arab later ascending to the throne.

Other uses and associations of the number 244 include its role as the international calling code for Angola (+244). The number may also appear in various cataloging, numbering, and model systems, but its primary associations are with its mathematical properties and its historical occurrence as a year.