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편집 요약 없음
:<math>B_2= \sum_{n=1}^{\infty} \left( \ln \left(1- {{1}\over{p_{n}}} \right)+ {{1}\over{p_{n}}} \right) + \gamma
+ \left(\sum_{n=1}^{\infty} {{1}\over{p_n(p_n -1)}} \right) </math>
:<math>B_2= \left(\sum_{n=1}^{\infty} \left(ln \left( 1-{{1}\over{p_n}} \right) \right)+ \left( {{1}\over{p_n}}+ {{1}\over{p_n^2 -p_n}} \right) \right) +\gamma</math>
 
:<math>B_2= \left(\sum_{n=1}^{\infty} \left(ln \left( 1-{{1}\over{p_n}} \right) + {{1}\over{p_n -1}} \right) \right) +\gamma</math>
:<math>B_2= \left(\sum_{x=2}^{\infty} {{\phi(x) ln(\zeta(x))}\over{x}} \right) +\gamma</math>