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0000 — 9999

Every number has a story

Search all 10,000 4-digit inputs. Filter by journey length or destination, then open any number to inspect every subtraction.

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Iterations

Destination

10,000 results

0000

Repdigit

0001

5 steps

0002

4 steps

0003

6 steps

0004

4 steps

0005

6 steps

0006

6 steps

0007

4 steps

0008

6 steps

0009

4 steps

0010

5 steps

0011

4 steps

0012

3 steps

0013

3 steps

0014

7 steps

0015

7 steps

0016

7 steps

0017

3 steps

0018

3 steps

0019

4 steps

0020

4 steps

0021

3 steps

0022

6 steps

0023

5 steps

0024

2 steps

0025

7 steps

0026

1 steps

0027

5 steps

0028

6 steps

0029

3 steps

0030

6 steps

0031

3 steps

0032

5 steps

0033

6 steps

0034

3 steps

0035

5 steps

0036

3 steps

0037

6 steps

0038

5 steps

0039

3 steps

0040

4 steps

0041

7 steps

0042

2 steps

0043

3 steps

0044

4 steps

0045

5 steps

0046

4 steps

0047

3 steps

0048

2 steps

0049

7 steps

0050

6 steps

0051

7 steps

0052

7 steps

0053

5 steps

0054

5 steps

0055

5 steps

0056

5 steps

0057

5 steps

0058

7 steps

0059

7 steps

Items per page

What this catalogue represents

This is a complete computed set, not a collection of automatically generated article pages. Every fixed-width input appears once in the interactive catalogue. Selecting a number opens its exact arithmetic path, while the filters make it possible to compare path length and destination across the whole space.

Numbers with identical digits are marked as repdigits because their descending and ascending arrangements are equal. All other 4-digit inputs converge to 6174; the iteration filter lets you isolate immediate arrivals as well as the longest routes.

Interpret the aggregate statistics →

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