ヴァンパイア数 (Japanese Wikipedia)

Analysis of information sources in references of the Wikipedia article "ヴァンパイア数" in Japanese language version.

refsWebsite

Global rank Japanese rank

low place

low place

1,518^th place

2,822^nd place

742^nd place

1,117^th place

2,385^th place

5,902^nd place

low place

appliedprobability.org

Clifford A. Pickover (1994年4月30日). “Cliff Puzzle 20: Vampire Numbers”. 2013年2月1日閲覧。 Pickover's original post describing vampire numbers