Windows · Free download · General

Hail Stone Number1

Hailstone number checker is the perfect challenge for any brain! See if you can help solve the riddle that has puzzled math students across the world more than 20 years ago! If you are up for the ultimate brain teaser, this is for you!

Operating system
Windows 10/11
File size
509 KB
License
Shareware
Last updated
Apr 16, 2026

334 downloads·522 page views

Hail Stone Number 1 screenshot
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Overview

What is Hail Stone Number?

Hailstone number checker is the perfect challenge for any brain! See if you can help solve the riddle that has puzzled math students across the world more than 20 years ago! If you are up for the ultimate brain teaser, this is for you!

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In depth

A closer look at Hail Stone Number

Hailstone Number checker allows you to process and integer that you enter in. The challenge is to see whether or not you can discover a sequence that does not get stuck in the never ending repeating pattern of 421421421421.... This simple mathmatical treat has plagued university students across America over 20 years ago. At one time, a rumor even spread that spies had started this brain teaser to keep math students from their studies.
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Requirements

System requirements

Requires Microsoft .NET

Verdict

Should you download Hail Stone Number?

Hail Stone Number runs on Windows 10/11 and is available under the Shareware license — the installer is 509 KB. We’ve catalogued it under General.

Verified clean. Every Hail Stone Number build on SoftLookup is scanned for viruses, spyware, adware, trojans and backdoors. We re-test on every update.
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At a glance

Hail Stone Number specifications

Category
General
Last updated
Apr 16, 2026
Requirements
Requires Microsoft .NET
License
Shareware
Operating system
Windows 10/11
File size
509 KB
Price
Free
Page views
522
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