161761

Properties

Appears in sequences

• Numbers k such that k^2 contains only digits {1,2,6}.at n=9A053882
• Numbers k such that k and k^2 use only the digits 0, 1, 2, 6 and 7.at n=52A136828
• Numbers k such that k and k^2 use only the digits 1, 2, 3, 6 and 7.at n=18A136979
• Numbers k such that k and k^2 use only the digits 1, 2, 4, 6 and 7.at n=37A136993
• Numbers k such that k and k^2 use only the digits 1, 2, 5, 6 and 7.at n=56A137004
• Numbers k such that k and k^2 use only the digits 1, 2, 6 and 7.at n=4A137013
• Numbers k such that k and k^2 use only the digits 1, 2, 6, 7 and 8.at n=15A137014
• Numbers k such that k and k^2 use only the digits 1, 2, 6, 7 and 9.at n=21A137015
• Number of (w,x,y,z) with all terms in {1,...,n} and w^2>x*y*z.at n=35A212066
• Prime numbersat n=14831