Number Rarity Calculator

Enter a number or roll one at random. Every result is computed in your browser from a complete analysis of all 1,000,001 supported numbers — no request leaves your device.

Transparent scoring. Exact counts. No sign-up required.

RecentYour rolled numbers will appear here
Number
142,857
Standard
Rarity Score
165
Global Percentile
Top 50.1%
Traits Detected
1
Number DNA
142857
Digit Profile
Length6 digits
Unique digits6
Digit sum27
Odd / even split3 / 3
Digital root9
Mathematical Properties
Composite number
32 divisors
Not a perfect square
Not a perfect cube
Not a palindrome
Trait Breakdown
3 traits detected
Digit sum 27Rare

This number's digits add up to an uncommon total.

+84
5.53%
6 distinct digitsDistinct

This number uses an uncommon count of distinct digits.

+58
13.61%
Harshad numberRare

Divisible by the sum of its digits.

+24
9.54%
Rarity Explanation

Why is 142,857 unusual? Only 50.1% of the 1,000,001 supported numbers receive an equal or higher rarity score. This number falls in the Standard tier. Scoring is grounded in the exact frequency of each detected trait — rarer traits carry more information and contribute more to the score.

Algorithm version 1.0.0

Share a specific number

You can link straight to any analysis with a query parameter, for example /calculator?number=146165. All parameter variants share a single canonical URL so search engines treat them as one page.