Fisintano-

Fisintano (#23, abbv. fnn) is a numerical prefix meaning 10-69 or duovigintillionth using the short scale illion systemTier -1 and upper Tier -2 prefixes trakaplex.wordpress.com, retrieved 2021-08-08.. The term was coined as part of Trakaplex's SI system. It is a mix of fisinto and nano as a result of it being number twenty-three. 
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Category:Numbers
Category:Numbers by Trakaplex
Category:Prefixes
Category:Tier -1 Prefixes