This number is a prime.
Single Curio View: (Seek other curios for this number)97 and its double (194) and triple (291) use the same number of characters (five) when expressed in Roman numerals: XCVII, CXCIV, and CCXCI. [Meller]
Submitted: 2009-06-23 17:15:03; Last Modified: 2009-06-23 18:10:22.
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