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198 (number)
Natural number From Wikipedia, the free encyclopedia
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198 (one hundred [and] ninety-eight) is the natural number following 197 and preceding 199.
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In mathematics
- 198 is the smallest number that can be written as a sum of four positive squares in ten different ways.[1][2]
- 198 is a Pell–Lucas number. Its corresponding Pell number is 70.[3]
References
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