משתמש:Yuval763

מתוך Math-Wiki
  • 763 is a Happy Number: [math]\displaystyle{ 763 \to 7^2+6^2+3^2=94 \to 9^2+4^2=97 \to 9^2+7^2=130 \to 1^2+3^2+0^2=10 \to 1^2+0^2=1 }[/math]
  • 763 is the sum of nine consecutive primes: [math]\displaystyle{ 763=67+71+73+79+83+89+97+101+103 }[/math]
  • 763 is the smallest number whose 4th power contains every digit at least once.