Tuesday, June 23, 2009

1123

1123 is a prime number.

1123 is a prime of the form n2 + n + 1, for n = 33.

1123 has digits that start the Fibonacci sequence.

1123 is the smallest prime showing three consecutive digits.

1123 is a divisor of 333 - 1.


11/23 (November 23) is the only date containing the concatenation of two 2-digit primes that can be read as a prime number in either "month-day" or "day-month" format, i.e., 11/23 or 23/11.

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