Revision as of 14:52, 3 April 2002 edit AxelBoldt (talk \| contribs) Administrators 44,649 edits No edit summary ← Previous edit		Revision as of 14:52, 3 April 2002 edit undo AxelBoldt (talk \| contribs) Administrators 44,649 edits No edit summary Next edit →
Line 10: The logarithmic integral is mainly important because it occurs in estimates of [[prime number]] densities, especially in the [[prime number theorem]]. The function li(''x'') is related to the ~~''integral exponential function'' or~~ ''[[exponential integral]]'' Ei(''x'') via the equation :li(''x'') = Ei (ln ''x'')    for all positive real ''x'' ≠ 1. This leads to series expansions of li(''x''), for instance:

Logarithmic integral function: Difference between revisions