Strobogrammatic number Strobogrammatic number A strobogrammatic number is a number whose numeral is rotationally symmetric, so that it appears the same when rotated 180 degrees. In other words, the numeral looks the same right-side up and upside down (e.g., 69, 96, 1001). A strobogrammatic prime is a strobogrammatic number that is also a prime number, i.e., a number that is only divisible by one and itself (e.g., 11). It is a type of ambigram, words and numbers that retain their meaning when viewed from a different perspective, such as palindromes. When written using standard characters (ASCII), the numbers, 0, 1, 8 are
Infinity on High the US to date February 2013. It was the band's first US number one album and second consecutive top ten effort, as its previous release, "From Under the Cork Tree", peaked at number nine. The album spent its first six weeks in the top ten, out of a total of fifty two chart weeks. "Infinity on High" also opened at number one on "Billboard"'s Rock Albums, Tastemaker Albums, and Digital Albums charts, with over 27,000 digital sales making up the total first week tally. In its second week, it fell to number five on the "Billboard" 200, selling 119,000 copies