8263
This number is a prime.
The number of decimal digits in 8263! is 28782, which is a palindrome. [Galliani]
8263 divides the sum of all the primes up to 8269, which is the next prime. [Galliani]
8^8 * 2^2 * 6^6 * 3^3 +/- 1 form a twin-prime pair. [Wallrodt]
(There are 4 curios for this number that have not yet been approved by an editor.)
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