Yoctingentilli-

Yoctingentilli (#801, abbv. ygtynm) is a numerical prefix meaning 10-2,403 or octingentillionth using the short scale illion system.Tier -1 and upper Tier -2 prefixes trakaplex.wordpress.com. Retrieved 2021-08-08. The term was coined as part of Trakaplex's SI system. 
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== See also ==
Category:Numbers
Category:Numbers by Trakaplex
Category:Prefixes
Category:Tier -1 Prefixes