This number is a prime.
Single Curio View: (Seek other curios for this number)Figurately speaking, 61 is both the 6th (6*1) centered square number and the 5th (6-1) centered hexagonal number. [Post]
Submitted: 2004-10-06 21:17:42; Last Modified: 2009-08-22 12:31:37.
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