91 (angka): Perbedaan antara revisi

* 085227646083[[Nomor atom]] [[Protaktinium]].

* ''Pseudoprime'' terkecil dalam ''base'' [[3 (angka)|3]].<ref>Friedman, Erich. [http://www.stetson.edu/~efriedma/numbers.html What's Special About This Number?]</ref>

== Referensi ==

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