Numbers /721,040
How rare is 721,040?
721,040 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 6 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
Contains a run of three or more consecutive descending digits.
Sequence · signal frequency
This number uses an uncommon count of distinct digits.
Repetition · signal frequency
Iterating the sum of squared digits reaches 1.
Arithmetic · signal frequency
Exactly one digit appears twice.
Repetition · signal frequency
Strongest signal: Digit sum 14. It appears in 10,872 supported numbers and contributes +130 after correlation decay.
Why is 721,040 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
721,040
Rare · Top 7.23%
Position 5: 4 → 0 · +130 points.
Gained: Digit sum 10, Adjacent digit run, Harshad number, Triple digit, 4 distinct digits.
53 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 721,040.
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.
Descending Digit Runs
Three or more digits each one lower than the last, appearing anywhere in the number — the 543 inside 15432, for instance.
Happy Numbers
Square each digit, add them up, repeat. If you eventually reach 1 the number is happy; if not, you fall into a cycle. 19 → 82 → 68 → 100 → 1.