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.

A125315 Smallest n-digit number that has exactly n divisors, each with a different number of digits, or 0 if no such number exists.

Table of values

n a(n)
1 1
2 11
3 121
4 1111
5 14641
6 112211
7 1771561
8 11117777
9 123187801
10 1144664411
11 25937424601
12 111255594439
13 3138428376721
14 11676721656611
15 125415159629881
16 1111777777824439
17 45949729863572161

List of values

[1, 11, 121, 1111, 14641, 112211, 1771561, 11117777, 123187801, 1144664411, 25937424601, 111255594439, 3138428376721, 11676721656611, 125415159629881, 1111777777824439, 45949729863572161]

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

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