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The smallest four digit prime assigned as an Australian postcode. It belongs to Kings Cross and Woollomolloo, New South Wales.

This prime is a possible representation of the prime implicant b'cd of the 4-variable Boolean function: F(a,b,c,d)=abc+b'cd+bcd': 2 denotes the missing a, 0 stands for b', and 11 for c and d. Note that the function itself has a prime representation (see pc15141163). [Necula]

Solar researchers are predicting that the next solar maximum, expected to arrive in 2011, will be the strongest in a half-century.