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244 (two hundred [and] forty-four) is the
natural number following
243 and preceding
245.
Natural number
Additionally, 244 is:
- the sum of two nonzero
fifth powers (244 = 1 + 243 = 15 + 35).
[1]
- palindromic in bases 3 (1000013), 11 (20211), 60 (4460), 121 (22121), 243 (11243).
- 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 divisors of 244 and adding the results gives 244 back again.
[2]
- 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.
[3]
- the
number of non-isomorphic set-systems of weight 8
References
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100,000
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1,000,000
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10,000,000
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100,000,000
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1,000,000,000
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