80

80 (eighty) is a positive integer following 79 and preceding 81. Its ordinal form is written "eightieth" or 80th.
== Properties ==
80 is an .
== In chess ==
It is also the number of possible bishop moves in 4×5 minichess.
== In googology ==
*In Greek-based number-naming systems, 80 is associated with prefix "octaconta-", and with prefix "octoginti-" in Latin systems.
*Sbiis Saibian coined the name binary-dust mite for this number.
*Nirvana Supermind coined the name zero-octonol for this number, and is equal to Q<10,8> using quick array notation.Numbers from quick array notation - Integral View (retrieved 2021-06-21)
==Sources==
== See also ==
Category:Numbers
Category:Chess
Category:Class 1
Category:Non-powers
Category:Numbers 0-99
Category:Numbers with 1 to 2 digits