A180691 Smallest power of 12 that begins with n.

1, 20736, 35831808, 429981696, 5159780352, 61917364224, 743008370688, 8916100448256, 953962166440690129601298432, 106993205379072, 11447545997288281555215581184, 12, 137370551967459378662586974208, 144, 15407021574586368, 1648446623609512543951043690496

Offset: 1

Author

Daniel Mondot, Sep 17 2010

Keywords

• nonn
• base

Crossrefs

Cf. A001021, A180689, A180692, A180693.

Programs

Mathematica

tlv=12^Range[0,40]; f[n_]:=Module[{idn=IntegerDigits[n],len}, len=Length[idn]; First[Select[tlv, Take[IntegerDigits[#],len]==idn&]]]; Table[f[i],{i,20}]//Quiet  (* Harvey P. Dale, Feb 14 2011 *)

Extensions

More terms from Harvey P. Dale, Feb 14 2011