# 1721

$t_title is "1721"

$t_adjust_path is "/~caldwell/curios/"

$t_class is "prime"

$nunber_id is "9052"

$t_meta['description'] is "One of many pages of prime number
curiosities and trivia. This page discusses 1721
Come explore a new prime today!"

(1721-1)^4 + 1721^4 + (1721+1)^4 = 26317541869937 is prime.

1721 and 1723 are twin primes. Given product of the first
32 primes x = 2*3*...*131, it is curious that x+1721 and
x+1723 are also twin primes.

1721 and 1723 are twin primes.
The sums of their digits 1+7+2+1 and 1+7+2+3 are also twin
primes: 11, 13.

Concatenating the prime previous to 1721 with itself (17091721) is prime. [Noll]

The year Sir Robert Walpole was elected as the first British Prime Minister. [Homewood]

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