max 11 digits
info on number 721
7
21
72
17
21
sitar.jpg
the sitar, a plucked stringed instrument used mainly in Indian classical music, can have up to 21 strings
homebase.jpg
in baseball, the dimensions of home plate are 17 inches across the front, 8.5 inches down each side, and the triangular rear has two sides of 12 inches
dead
actor John Wayne died of stomach cancer at 72
jersey.jpg
the state of New Jersey is divided into 21 counties
7starfish.jpg
not all the starfish have five arms. For example, Luidia maculata, found in in the Pacific Ocean around Australia and New Zealand, has usually 7 arms
721 is a composite number equal to 7 ⋅ 103, a cyclic number, a Duffinian number, a modest number,.... For further properties of 721, see numbersaplenty.com.
7
21
72
17
21
dice.jpg
it is the number of spots (pips) on a standard die (21 = 1+2+3+4+5+6)
bible
the word "leper" appears 17 times in the JKV Bible
eggs2.jpg
Michael Levillain (FRA) established a world record by crushing 72 eggs by sitting in one minute
typewr.jpg
the international standard paper size A4 measures 29.7 cm x 21 cm
redcells.jpg
red blood cells (those which transport oxigen in our blood) have a diameter of about 0.000007m
try other numbers
9863400065051428
06971341315641
391156328784516799194598642