# 8171

This number is a prime.

Just showing those entries submitted by 'Keith': (Click here to show all)

Prime 8171 is the integer part of the area of a circle with radius 51 (full value is 8171.282491987...), and it is the largest four-digit prime of this type. The next prime like this is 11689, for a circle with radius 61. [Keith]

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