312984 = ((3)+prime(3)) * ((1)+prime(1)) * ((2)+
prime(2)) * ((9)+prime(9)) * ((8)+prime(8)) * ((4)
+prime(4)). Note that 312984 is the earliest number with
this property. [Firoozbakht]
Submitted: 2004-09-21 10:40:34; Last Modified: 2008-01-30 11:28:00.