2 - Number of atomic bombs dropped on Japan during World War II.
80,000 - People who died instantly in Hiroshima, Japan, on August 6, 1945, when the first ever atomic bomb was used in war. The code name of the uranium-based bomb was "Little Boy."
192,020 - Total number of those killed in Hiroshima, combining those killed instantly and those killed from radiation and other aftermath. The revised total was released at a ceremony on the 50th anniversary of the bombing.
3 - Number of days between the first and second atomic bombs dropped on Japan. On August 9, 1945, "an implosion-model plutonium bomb code-named "Fat Man," was detonated over Nagasaki.