Square Root of 2209: 47th Birthday 47 Years Old T-Shirt Math T-Shirt

Perfect for any boy or girl that is born in 1972, birth year. Funny simple math problem age number 47yrs 47 years old 47th b-day bday geek geeky nerd nerdy gift idea graphic tee shirt teen card, sweet cool fun great birthday surprise gifts for girls.
Square root of 2209 47 yrs years old 47th birthday t-shirt. 47yrs yr best 47th Birthday Years Old b-day bday geek nerd geeky nerdy math mathematic algebra science present pun born in 1972 t-shirt. Birthday gift ideas for math lover.