This number is a prime.
Single Curio View: (Seek other curios for this number)19421 is the lowest number that can be added to the quadratic n^2+n such that the expression will never give a number divisible by any prime from 2 to 41. [Atwood]
Submitted: 2018-08-09 19:46:13; Last Modified: 2018-08-09 19:48:23.
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