# 11011...11011 (25-digits)

This number is a prime.

11011 1101100900 1101111011

Just showing those entries submitted by 'Loungrides': (Click here to show all)

The smallest "almost plus sign prime" of order 5. Note that its sum of digits is equal to its length. (An almost plus sign prime is a plus sign prime having a distinct central digit.

1 1[Loungrides]01 1 1 101 1009001 101 1 1 101 1

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