SymPy Gamma

SymPy:

summation (1/2**i,(i,0,oo ))

$\sum_{i=0}^{\infty} 2^{- i}$

Result:

$2$

len(str(2))

factorint(2, limit=100)

factorint(2, limit=256)

See what Wolfram|Alpha has to say.

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