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. Manual analysis never stamps the Pattern Atlas.
RNGdle.net’s own rarity score. Top 23.0% means that proportion of supported numbers scores at least this high. Every exact number has the same chance of being rolled. How this differs from EP · Badge guide
These notes make the number easy to read, but they add no score unless a separately counted rarity signal appears below.
This number's digits add up to an uncommon total.
Arithmetic · signal frequency
This number uses an uncommon count of distinct digits.
Repetition · signal frequency
Every comparison strictly alternates between rising and falling.
Sequence · signal frequency
Divisible by the sum of its digits.
Arithmetic · signal frequency
Strongest signal: Digit sum 27. It appears in 55,252 supported numbers and contributes +84 after correlation decay.
Why is 142,857 unusual? Only 23.0% of the 1,000,001 supported numbers receive an equal or higher rarity score. This number falls in the Distinct 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 1.1.0
Try a pattern, then make it your own
Start with 142,857, a cyclic number, or 999,999, a repeated-digit pattern. Use Edit in Sandbox to change its digits, Compare to put it beside another number, or Create Share Card to keep the result.
Is this an EP calculator?
This calculator uses RNGdle.net’s own rarity formula. It does not reproduce another game’s EP score. Read how EP and this score differ, or see the highest and lowest possible scores.