244 (two hundred
ndforty-four) is the
natural number
In mathematics, the natural numbers are those numbers used for counting (as in "there are ''six'' coins on the table") and ordering (as in "this is the ''third'' largest city in the country").
Numbers used for counting are called ''cardinal ...
following
243 and preceding
245.
In mathematics
244 is:
*the sum of two nonzero
fifth powers ().
*palindromic in bases 3 (100001
3), 11 (202
11), 60 (44
60), 121 (22
121), 243 (11
243).
*a Harshad number in bases 3, 9, 11, 61, 62, 81, 121, 122, 123 and 184.
*the second anti-perfect number, meaning that reversing the digits of the
proper divisor
In mathematics, a divisor of an integer n, also called a factor of n, is an integer m that may be multiplied by some integer to produce n. In this case, one also says that n is a multiple of m. An integer n is divisible or evenly divisible by ...
s of 244 and adding the results gives 244 back again.
*part of the sequence 1, 2, 4, 8, 61, 221, 244, ... in which each number is formed by reversing the digits of the double of the previous number.
*the
number of non-isomorphic set-systems of weight 8
In other fields
*The years
244
__NOTOC__
Year 244 (Roman numerals, CCXLIV) was a leap year starting on Monday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Tiberius Pollenius Armenius Peregrinus, Arm ...
and
244 BC
*Dialing code for
Angola
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, image_map =
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, capital = Luanda
, religion =
, religion_year = 2020
, religion_ref =
, coordina ...
.
*It is considered a lucky number in several areas of the
United Arab Emirates
The United Arab Emirates (UAE; ar, اَلْإِمَارَات الْعَرَبِيَة الْمُتَحِدَة ), or simply the Emirates ( ar, الِْإمَارَات ), is a country in Western Asia ( The Middle East). It is located at t ...
; specifically
Dubai
Dubai (, ; ar, دبي, translit=Dubayy, , ) is the most populous city in the United Arab Emirates (UAE) and the capital of the Emirate of Dubai, the most populated of the 7 emirates of the United Arab Emirates.The Government and Politics of ...
.
*.244 Remington (prior name of
6mm Remington) and
.244 H&H Magnum, rifle cartridges
References
{{Integers, 2
Integers