61358155129643

This number is a composite.

                                                             6135 8155129643

+ The smallest semiprime that is the product of two primes whose concatenation (in some order) produce the decimal expansion of cube root of 2, e.g., 61358155129643 = 125992104989*487, 6139721268218959 = 125992104989*48731. The sequence begins 61358155129643, 6139721268218959, 61398028697909457687299387896342056080342097310952915715556691610452079812636896008434491926564401, ... . See the largest known. [Bajpai]

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