
integer, natural,
positive, counting number, even
80 ― 57th composite number,
divisible by 1, 2, 4, 5, 8, 10, 16, 20, 40 & 80
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0011100000110000%38%308080\0038\0030\38\30\u0038\u0030\u{38}\u{30}\x38\x30