90 is a positive integer between 89 and 91.

Properties Edit

90 is an even composite number.

It is also the number of primordial nuclides without energetically allowed baryon number-preserving decay modes.

In googology Edit

In Greek-based number-naming systems, 90 is associated with prefix "enneaconta-", and with prefix "nonaginti-" in Latin systems.

As a banknote denomination Edit

The third Burmese kyat had banknotes with this number in the denomination.

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