Numbers /21,377
How rare is 21,377?
21,377 scores 209 and sits in the Notable tier — 29.31% of all supported numbers score this high or higher. Everything below is computed from a complete analysis of all 1,000,001 numbers in range.
RNGdle.net’s own rarity score. Top 29.3% means that proportion of supported numbers scores at least this high. Every exact number has the same chance of being rolled. Same-length rank keeps the score and compares only numbers with 5 digits, including ties. 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
Divisible only by 1 and itself.
Factorization · signal frequency
This number uses an uncommon count of distinct digits.
Repetition · signal frequency
Exactly one digit appears twice.
Repetition · signal frequency
Strongest signal: Digit sum 20. It appears in 35,127 supported numbers and contributes +97 after correlation decay.
Why is 21,377 unusual? Only 29.3% of the 1,000,001 supported numbers receive an equal or higher rarity score. This number falls in the Notable 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
One digit away
One change could reach Extreme.
Your number
21,377
Notable · Top 29.3%
Position 1: 2 → 7 · +193 points.
Gained: Binary palindrome, Digit sum 25, 3 distinct digits, Semiprime, Triple digit.
44 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.
Explore & share this near miss →Similar interesting numbers
Explore a shared pattern, a comparable score, or a mathematical relationship. Every link explains its connection to 21,377.
Shared patterns
Same length, nearby scores
Patterns in this number
Each of these has its own page explaining how common the pattern is and why.