**Largest n-digit number that is divisible by exactly 3 primes (counted with multiplicity).**

*8, 99, 994, 9994, 99997, 999994, 9999994, 99999994, 999999998, 9999999995*

*5 seqfan posts*

*Sun Sep 26 06:48:14 CEST 2010* [seqfan] Re: n-th number whose sum of divisors is a n-gonal number

*Sun Sep 26 05:22:18 CEST 2010* [seqfan] Re: n-th number whose sum of divisors is a n-gonal number

*Sun Sep 26 04:07:37 CEST 2010* [seqfan] Re: n-th number whose sum of divisors is a n-gonal number

*Sun Sep 26 02:47:47 CEST 2010* [seqfan] Re: n-th number whose sum of divisors is a n-gonal number

*Sat Sep 25 22:43:13 CEST 2010* [seqfan] n-th number whose sum of divisors is a n-gonal number

Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword

Links to OEIS content are included according to
The OEIS End-User License Agreement
.