Número pentagonal (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Número pentagonal" in Portuguese language version.

refsWebsite

Global rank Portuguese rank

low place

low place

513^th place

605^th place

divye.in

How do you determine if a number N is a Pentagonal Number?(em inglês)

wolfram.com

mathworld.wolfram.com

Weisstein, Eric W. "Pentagonal Square Number(em inglês)." De MathWorld--A Wolfram Web Resource.