Tuesday, January 6, 2009

122

122 = 2 x 61.

122 has a representation as a sum of two squares: 122 = 12 + 112.

The square of 122 minus each of 122's prime factors squared is a prime: 1222 - 22 - 612 = 11159.

122 is the smallest sum of two non-consecutive factorials of distinct primes: 2! + 5! = 2 + 120 = 122.

122 is the number of integer partitions of 22 into distinct parts.


In the year 122, Roman Emperor Hadrian ordered the building of a 72-mile wall across northern Britain.

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