29

This number is a prime.

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The number of visible notches on the Lebombo bone. This mathematical object was found at Border Cave in the Lebombo mountains of South Africa and is believed to be at least 43000 years old. It resembles the calendar sticks still used today by the Bushmen of Namibia. [Joseph]

Submitted: 1999-09-02 23:40:00; Last Modified: 2021-10-27 17:37:03.