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+ 13+17+31+37+71+73+79+97+107+113+149+157+167+179+199+311 = 2^3*3^2*5^2 is the sum of the first 2^4=4^2 emirps and a powerful number, using the first three primes only. [Herrnberger]

+ The sum of 10 consecutive primes (157+163+167+173+179+181+191+193+197+199). [Merfat]

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