Numbers /21,270
How rare is 21,270?
21,270 scores 283 and sits in the Rare tier — 7.23% 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 7.23% 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
Digits strictly alternate between odd and even.
Sequence · 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 12. It appears in 6,062 supported numbers and contributes +147 after correlation decay.
Why is 21,270 unusual? Only 7.23% of the 1,000,001 supported numbers receive an equal or higher rarity score. This number falls in the Rare 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
21,270
Rare · Top 7.23%
Position 4: 7 → 1 · +194 points.
Gained: Digit sum 6, Descending segment, 3 distinct digits, Harshad number, Double pair, Happy number.
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 21,270.
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.
Numbers With One Repeated Digit
The mildest form of repetition: exactly one digit appears twice, and every other digit is distinct — as in 1231 or 405067.
Alternating Odd and Even Digits
Odd, even, odd, even — or the reverse — all the way through, as in 385274 or 1614. The digits themselves are free; only their parity is constrained.