This number is a prime.
Replacing each digit of prime 229 with its square, respectively its cube, results in two new primes (4481 and 88729) with a palindromic difference of 84248. Coincidentally, 229 + 4481 + 88729 is palindromic as well. [De Geest]
229 is the difference between 33 and 44. [Raymond]
The names of the fifty U.S. states contain 229 letters that are always consonants in English (i.e., are not A, E, I, O, U, W, or Y). [Blanchette]
The concatenation of the two most distant prime dates for any given day of a month in a leap year. [Loungrides]
The smallest prime minimal sum solution to Honaker's triangle problem that has an odd prime index. Can you find the next?
229 is the smallest number n such that 100! + n is prime. [Bajpai]
| π(x) - li(x) | ≤ 0.2795 x/(ln x)^3/4 exp (- sqrt((ln x)/6.455), for x ≥ 229. [Trudgian]
Place the White chess pieces as follows: King on a2, Rook on c6, and Bishop on d5. Place the Black chess pieces as follows: King on a4, Knight on d3, and a pawn on e3. White to move, mate in 229. [Kadatch]
The smallest number n such that 100!+n is prime. Note that 229 is prime. [Loungrides]
_________ * * ) * * * * 8 6 _____ * * * 8 6 _____ * * * 3 8 7 _____ 0[Ray]