The Number 73: Properties and Meanings73 is a Prime Number.
73 is a Centered 12-gonal Number.
73 is a Centered 24-gonal Number.
73 is the least number of sixth powers needed to represent every possible integer.
Tantalum is a hard, grey-white, metallic element with atomic number 73.
The Year 73 ADIn the year 73 AD Roman legions overran the last stronghold of the Jewish insurrection. The defenders of Massada preferred death over defeat and exile.
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