Numbers /21,007

How rare is 21,007?

21,007 scores 353 and sits in the Exceptional tier — 2.07% 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
21,007
Exceptional
Rarity Score
353
Global Percentile
Top 2.07%
Same-length rank
Top 2.96%
Among 90,000 5-digit numbers
Traits Detected
5

RNGdle.net’s own rarity score. Top 2.07% 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

Number DNA
21007
Lab Observations · Descriptive Only
5 digitsOdd number2 zerosFirst < last0 × 21, 2, 7 appear once

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

Digit Profile
Length5 digits
Unique digits4
Digit sum10
Odd / even split2 / 3
Digital root1
Mathematical Properties
Semiprime
4 divisors
Not a perfect square
Not a perfect cube
Not a palindrome
Rarity Drivers
5 traits detected
Digit sum 10Extreme

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

Arithmetic · signal frequency

+168
1 in 334
Descending segmentExceptional

Contains a run of three or more consecutive descending digits.

Sequence · signal frequency

+101
2.98%
SemiprimeDistinct

The product of exactly two primes.

Factorization · signal frequency

+45
21.00%
4 distinct digitsNotable

This number uses an uncommon count of distinct digits.

Repetition · signal frequency

+31
34.47%
Repeated digitNotable

Exactly one digit appears twice.

Repetition · signal frequency

+8
45.77%
Rarity Explanation

Strongest signal: Digit sum 10. It appears in 2,997 supported numbers and contributes +168 after correlation decay.

Why is 21,007 unusual? Only 2.07% of the 1,000,001 supported numbers receive an equal or higher rarity score. This number falls in the Exceptional 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

21,007

Exceptional · Top 2.07%

Best one-digit neighbour

21,000

Extreme · Top 0.18%

Position 5: 7 → 0 · +185 points.

Gained: Digit sum 3, Adjacent digit run, 3 distinct digits, Harshad number, Triple digit.

44 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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