Numbers /15,415
How rare is 15,415?
15,415 scores 270 and sits in the Rare tier — 9.23% 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 9.23% 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
This number uses an uncommon count of distinct digits.
Repetition · signal frequency
The product of exactly two primes.
Factorization · signal frequency
Iterating the sum of squared digits reaches 1.
Arithmetic · signal frequency
Two different digits each appear twice.
Repetition · signal frequency
Strongest signal: Digit sum 16. It appears in 17,577 supported numbers and contributes +117 after correlation decay.
Why is 15,415 unusual? Only 9.23% 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
15,415
Rare · Top 9.23%
Position 3: 4 → 1 · +134 points.
Gained: Only two distinct digits, Digit sum 13, 2 distinct digits, 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 15,415.
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.
Double Pair Numbers
A double pair has two different digits appearing twice each, like 3388 or 271721. It is the digit equivalent of two pair in poker.
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.
Semiprime Numbers
A semiprime is a product of exactly two primes, counted with multiplicity — 15 = 3 × 5, and 49 = 7 × 7 counts too.