OFFSET
1,1
COMMENTS
EXAMPLE
1111 = 11*101 has factors with different digital lengths. Also it is the first occurrence that differs from A084891.
PROG
(PARI) factorrough(m, n) =
{
local(x, a, j, f, ln);
for(x=m, n, f=0; a = ifactor(x); for(j=2, length(a), ln=length(Str(a[j-1])); if(length(Str(a[j]))!=ln, f=1; break); ); if(f, print1(x", ")); );
}
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Cino Hilliard, Jul 03 2009
EXTENSIONS
Offset set to 1, definition shortened - R. J. Mathar, Sep 16 2009
STATUS
approved