Viginti tres, sive tres et viginti (numeris Arabicis 23, Romanis XXIII, Graecis ΚΓʹ), est numerus naturalis ac primus inter 22 et 23.
23 est nonus numerus primus et quintus primus Sophiae Germain. 23 est summa quattuor numerorum quadratorum (12 + 22 + 32 + 32).
Nexus externi
- De numero 23 apud Wolfram Alpha
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Haec stipula ad mathematicam spectat. Amplifica, si potes! |
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