70 is a positive integer between 69 and 71.

Properties Edit

70 is an even composite number.

70 is the 7th pentagonal number.

69! < googol < 70!. Many scientific calculators overflow at googol, so 70! is the least factorial number that cannot be stored on such calculators.

In googology Edit


In Greek-based number-naming systems, 70 is associated with prefix "heptaconta-", and with prefix "septuaginti-" in Latin systems.

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