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Topic: [Snark] PRO: 705
Replies: 6   Last Post: Jun 18, 2011 11:28 AM

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Rodolfo Kurchan

Posts: 493
Registered: 8/2/06
[Snark] PRO: 705
Posted: Jun 17, 2011 7:24 PM
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att1.html (1.3 K)

La ultima incorporacion a mi coleccion de numeros curiosos es el numero 705 aportado por Matias.
El 705 es el primer número en el que cada letra aparece al menos 2 veces.
Ahora pregunto:
Cual es el primer numero en el que cada letra aparece al menos 3 veces?
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