Posted on April 12, 2012

39

39

39. The atomic number of yttrium. Part of the title of John Buchan’s famous novel, The Thirty-Nine Steps. The international direct dialing code for Italy. The sum of five consecutive prime numbers (3+5+7+11+13). The duration in nanoseconds of the reaction in the largest nuclear explosion ever conducted. It’s also the number of weeks pregnant that Heather is … Continue reading