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138 - Events. February 25 - Roman emperor Hadrian adopted Antoninus Pius on condition that Antonius would adopt Marcus Annius Aurelius Verus. July 10 - Antoninus Pius succeeds Hadrian as Roman emperor Zhi becomes emperor of the Han Dynasty in China. 138 - Births. 138 - Deaths. July 10 - Hadrian, Roman emperor, died at Baiae Zenobius - Greek sophist who taught rhetoric at Rome 138 is a numbe ...

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• 138 - Births
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Its factorization makes 138 a sphenic number. This number is the sum of four consecutive primes (29 + 31 + 37 + 41). It is the smallest product of 3 primes such that in base 10 the third prime is a concatenation of the other two. 138 is the third 47-gonal number. 138 is an Ulam number (Sloane's A002858). It is also the number of stellations of the Triakis tetrahedron. ...

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138 number, 138 number - In mathematics, 138 number - In science, 138 number - In other fields

Read more here: » 138 number: Encyclopedia II - 138 number - In mathematics