Beaverton, Oregon is a place.
In mathematics , a Smarandache -- Wellin number is an integer that in a given base is the concatenation of the first n prime numbers written in that base .. mathematics. mathematics. integer. integer. concatenation. concatenation. Smarandache -- Wellin numbers are named after Florentin Smarandache and Paul R. Wellin .. Florentin Smarandache. Florentin Smarandache. Paul R. Wellin. Paul R. Wellin. The first decimal Smarandache -- Wellin numbers are  :. decimal. decimal. 2 , 23 , 235 , 2357 , 235711 , 23571113 , 2357111317 , 235711131719 , 23571113171923 , 2357111317192329 , ... .. 2 ( number ). 23 ( number ). 235 ( number )