Numbers /201,221

How rare is 201,221?

201,221 scores 433 and sits in the Extreme tier — 1 in 164 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.

Number
201,221
Extreme
Rarity Score
433
Global Percentile
Top 0.61%
Same-length rank
Top 0.28%
Among 900,000 6-digit numbers
Traits Detected
5

RNGdle.net’s own rarity score. Top 0.61% 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

Number DNA
201221
Lab Observations · Descriptive Only
6 digitsOdd number1 zeroFirst > last1 × 2 · 2 × 3

These notes make the number easy to read, but they add no score unless a separately counted rarity signal appears below.

Digit Profile
Length6 digits
Unique digits3
Digit sum8
Odd / even split2 / 4
Digital root8
Mathematical Properties
Semiprime
4 divisors
Not a perfect square
Not a perfect cube
Not a palindrome
Rarity Drivers
5 traits detected
Digit sum 8Extreme

This number's digits add up to an uncommon total.

Arithmetic · signal frequency

+192
1 in 777
Ascending segmentExceptional

Contains a run of three or more consecutive ascending digits.

Sequence · signal frequency

+102
2.88%
3 distinct digitsRare

This number uses an uncommon count of distinct digits.

Repetition · signal frequency

+73
7.91%
SemiprimeDistinct

The product of exactly two primes.

Factorization · signal frequency

+45
21.00%
Triple digitDistinct

A single digit appears exactly three times.

Repetition · signal frequency

+20
13.80%
Rarity Explanation

Strongest signal: Digit sum 8. It appears in 1,287 supported numbers and contributes +192 after correlation decay.

Why is 201,221 unusual? Only 0.61% of the 1,000,001 supported numbers receive an equal or higher rarity score. This number falls in the Extreme 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 digit, +168 points.

Your number

201,221

Extreme · Top 0.61%

Best one-digit neighbour

221,221

Extreme · Top 0.10%

Position 2: 0 → 2 · +168 points.

Gained: ABCABC pattern, Digit sum 10, Only two distinct digits, 2 distinct digits, Quadruple digit.

53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.

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Shared patterns

Same length, nearby scores

Mathematical relationships

Patterns in this number

Each of these has its own page explaining how common the pattern is and why.

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