cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A182680 a(n) = the largest n-digit number with exactly 10 divisors, a(n) = 0 if no such number exists.

Table of values

n a(n)
1 0
2 80
3 976
4 9904
5 99952
6 999952
7 9999952
8 99999824
9 999999536
10 9999999824
11 99999999536
12 999999999567
13 9999999999963
14 99999999999728
15 999999999999856
16 9999999999998896
17 99999999999999824
18 999999999999999952
19 9999999999999999856
20 99999999999999999568

List of values

[0, 80, 976, 9904, 99952, 999952, 9999952, 99999824, 999999536, 9999999824, 99999999536, 999999999567, 9999999999963, 99999999999728, 999999999999856, 9999999999998896, 99999999999999824, 999999999999999952, 9999999999999999856, 99999999999999999568]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.