Numbers /21,876

How rare is 21,876?

21,876 scores 245 and sits in the Distinct tier — 15.17% 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
21,876
Distinct
Rarity Score
245
Global Percentile
Top 15.2%
Same-length rank
Top 17.6%
Among 90,000 5-digit numbers
Traits Detected
4

RNGdle.net’s own rarity score. Top 15.2% 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
21876
Lab Observations · Descriptive Only
5 digitsEven numberZero-freeFirst < last1, 2, 6, 7, 8 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 digits5
Digit sum24
Odd / even split2 / 3
Digital root6
Mathematical Properties
Composite number
12 divisors
Not a perfect square
Not a perfect cube
Not a palindrome
Rarity Drivers
4 traits detected
Descending segmentExceptional

Contains a run of three or more consecutive descending digits.

Sequence · signal frequency

+101
2.98%
Digit sum 24Rare

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

Arithmetic · signal frequency

+86
5.09%
Alternating parityExceptional

Digits strictly alternate between odd and even.

Sequence · signal frequency

+34
3.49%
5 distinct digitsNotable

This number uses an uncommon count of distinct digits.

Repetition · signal frequency

+24
43.55%
Rarity Explanation

Strongest signal: Descending segment. It appears in 29,815 supported numbers and contributes +101 after correlation decay.

Why is 21,876 unusual? Only 15.2% of the 1,000,001 supported numbers receive an equal or higher rarity score. This number falls in the Distinct 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 Rare.

Your number

21,876

Distinct · Top 15.2%

Best one-digit neighbour

21,816

Rare · Top 6.97%

Position 4: 7 → 1 · +40 points.

Gained: Digit sum 18, 4 distinct digits, Harshad number, Zigzag digits, Repeated 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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