Numbers /21,440

How rare is 21,440?

21,440 scores 196 and sits in the Notable tier — 36.27% 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
21,440
Notable
Rarity Score
196
Global Percentile
Top 36.3%
Same-length rank
Top 40.6%
Among 90,000 5-digit numbers
Traits Detected
3

RNGdle.net’s own rarity score. Top 36.3% 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
21440
Lab Observations · Descriptive Only
5 digitsEven number1 zeroFirst > last4 × 20, 1, 2 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 sum11
Odd / even split1 / 4
Digital root2
Mathematical Properties
Composite number
28 divisors
Not a perfect square
Not a perfect cube
Not a palindrome
Rarity Drivers
3 traits detected
Digit sum 11Extreme

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

Arithmetic · signal frequency

+157
1 in 231
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 11. It appears in 4,332 supported numbers and contributes +157 after correlation decay.

Why is 21,440 unusual? Only 36.3% of the 1,000,001 supported numbers receive an equal or higher rarity score. This number falls in the Notable 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 Exceptional.

Your number

21,440

Notable · Top 36.3%

Best one-digit neighbour

21,040

Exceptional · Top 2.31%

Position 3: 4 → 0 · +150 points.

Gained: Digit sum 7, Descending segment.

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 →
How lucky is my history?

Similar interesting numbers

Explore a shared pattern, a comparable score, or a mathematical relationship. Every link explains its connection to 21,440.

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.

Open in the calculator Compare this number Browse all patterns See the rarest numbers