This number is a composite.

Just showing those entries submitted by 'Loungrides': (Click here to show all)

+ There are only six prime-digit primes with distinct odd digits, i.e., 3, 5, 7, 37, 53, 73. [Loungrides]

+ The only perfect oblong number, i.e., 6=2*3. [Loungrides]

(There is one curio for this number that has not yet been approved by an editor.)

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