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Divisors of 99.
15

%I #26 Nov 12 2017 09:34:00

%S 1,3,9,11,33,99

%N Divisors of 99.

%C For all k, a(n) divides k if and only if a(n) divides the base 10 reverse of k (A004086(k)).

%H David Radcliffe, <a href="/A018282/a018282.pdf">A property of the divisors of 99</a>

%H <a href="/index/Di#divisors">Index entries for sequences related to divisors of numbers</a>

%t Divisors[99] (* _Alonso del Arte_, Nov 09 2017 *)

%o (PARI) divisors(99) \\ _Charles R Greathouse IV_, Feb 21 2013

%K nonn,fini,full,easy

%O 1,2

%A _N. J. A. Sloane_