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.
This number's digits add up to an uncommon total.
This number uses an uncommon count of distinct digits.
Divisible by the sum of its digits.
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
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