86 (eighty-six) is a positive integer following 85 and preceding 87. Its ordinal form is written "eighty-sixth" or 86th.


  • 86 is an even composite number.
  • 86 is the largest known number n such that 2n does not contain the digit "0" in its decimal expansion[1].

In googology

In Greek-based number-naming systems, 86 is associated with prefix "hexaoctaconta-", and with prefix "sexoctoginti-" in Latin systems.



  1. OEIS, sequence A007377 (accessed 2020-11-13)
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