This number is a composite.

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The reversal of 133 is prime. Note that 133.335 is the Dewey Decimal classification for 'numerology'. If you reverse it, and add: 133.335 + 533.331, you'll discover the beast number, repeated! [Gardner]

Submitted: 2001-09-22 09:17:16;   Last Modified: 2008-01-30 11:28:00.
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