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The nth Prime Page will now find any of the first 2.623˙10^{15} primes or
π(x) for x up to 10^{17}. The smallest fourdigit emirp with distinct digits. [Capelle] The mouth of a prime volcano (truncated pyramid). 1069 310693 33106933 3331069333 333310693333[Post] 1069 = 1 + 1*3 + 1*3*5 + 1*3*5*7 + 1*3*5*7*9. [Silva] The first "double" super2 emirp, i.e., an emirp p such that 2*p^2 contains twice 2 consecutive 2's in its decimal representation (2*p^2=2285522). [Loungrides]
(There are 5 curios for this number that have not yet been approved by an editor.) To link to this page use /curios/page.php?number_id=833
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