ExpandDenominator[expr] expands out products and powers that appear as denominators in expr.
HypergeometricPFQRegularized[{a_1, ..., a_p}, {b_1, ..., b_q}, z] is the regularized generalized hypergeometric function \[Null]_p F_q (a; b; z)/(\[CapitalGamma](b_1) ... ...
IntegerExponent[n, b] gives the highest power of b that divides n.
KelvinBei[z] gives the Kelvin function bei(z).KelvinBei[n, z] gives the Kelvin function bei_n (z).
KelvinKei[z] gives the Kelvin function kei(z).KelvinKei[n, z] gives the Kelvin function kei_n (z).
KelvinKer[z] gives the Kelvin function ker(z).KelvinKer[n, z] gives the Kelvin function ker_n (z).
MinimalPolynomial[s, x] gives the minimal polynomial in x for which the algebraic number s is a root.
NumberFieldRegulator[a] gives the regulator of the field \[DoubleStruckCapitalQ][a] generated by the algebraic number a.
Numerator[expr] gives the numerator of expr.
Prime
(Built-in Mathematica Symbol) Prime[n] gives the n\[Null]^th prime number.