A067446 Smallest n-th power starting with 5.

5, 529, 512, 50625, 59049, 531441, 52523350144, 5764801, 512, 59049, 584318301411328, 531441, 549755813888, 53148384174432398229504, 51185893014090757, 5070942774902496337890625, 505447028499293771

Offset: 1

Author

Amarnath Murthy, Feb 05 2002

Keywords

• base
• easy
• nonn

Comments

Terms from Robert G. Wilson v.

Links

• Robert Israel, Table of n, a(n) for n = 1..534

Crossrefs

Cf. A067442, A067443, A067444, A067445.

Programs

Maple

f:= proc(n) local x, y;
  for x from 2 do
    y:= x^n;
    if floor(y/10^ilog10(y)) = 5 then return x^n fi
  od
end proc:
map(f, [$1..50]); # Robert Israel, Apr 02 2025

Mathematica

a = {}; Do[k = 1; While[First[IntegerDigits[k^n]] != 5, k++ ]; a = Append[a, k^n], {n, 1, 25}]; a (* Robert G. Wilson v *)