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The first prime formed from the leading digits of the decimal expansion of the Delian constant (cube root of 2). [Gupta]
Twelve fiftynine (12:59) is the largest "prime time" of day on a 12hour clock in hours and minutes. (If you include seconds, it's 12:59:59.) When a child has lived for 1259 days, for the first time, their age in days, weeks, months and years are all prime. The child would be 179 weeks old, that is, 41 months, or 3 years. [Hartley] The smaller prime of the smallest pair of consecutive primes, i.e., (1259, 1277), whose sum of digits is prime and equal. [Gupta] Smallest emirp partial sum of lucky numbers. [Post] There are exactly 1259 odd digits before the 1259th even digit of . (1259 is the smallest prime making the previous statement true.) [Keith] The only prime (emirp) equal to the sum of first n consecutive primes ending with 3 and smaller than a thousand, i.e., 3+13+23+...+193+223. Note that the number of terms is also emirp (n=13). [Loungrides]
(There are 5 curios for this number that have not yet been approved by an editor.)
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