Republic of Mathematics blog

Posts Tagged ‘new year

In a previous post I discussed how 2011 is a  prime number and also a sum of consecutive prime numbers. 2011 has another curious property that it shares with 2012, and with 2001 and 2002: Reversing the digits of 2011 we get the number 1102 Squaring 1102 gives us the number 1214404. On the other […]