30 (thirty) is a positive integer following 29 and preceding 31. Its ordinal form is written "30th" or "thirtieth".

Properties Edit

30 is an even composite number and equal to five primorial.

In googology Edit

In Greek-based number-naming systems, 30 is associated with prefix "triaconta-", and with prefix "triginti-" in Latin systems.

As a banknote denomination Edit

The Tunisian dinar had banknotes with this number in the denomination.

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