Numbers /25,215

How rare is 25,215?

25,215 scores 235 and sits in the Distinct tier — 18.58% 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
25,215
Distinct
Rarity Score
235
Global Percentile
Top 18.6%
Same-length rank
Top 21.0%
Among 90,000 5-digit numbers
Traits Detected
4

RNGdle.net’s own rarity score. Top 18.6% 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
25215
Lab Observations · Descriptive Only
5 digitsOdd numberZero-freeFirst < last2 × 2 · 5 × 2

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 digits3
Digit sum15
Odd / even split3 / 2
Digital root6
Mathematical Properties
Composite number
12 divisors
Not a perfect square
Not a perfect cube
Not a palindrome
Rarity Drivers
4 traits detected
Digit sum 15Exceptional

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

Arithmetic · signal frequency

+123
1.40%
3 distinct digitsRare

This number uses an uncommon count of distinct digits.

Repetition · signal frequency

+73
7.91%
Harshad numberRare

Divisible by the sum of its digits.

Arithmetic · signal frequency

+24
9.54%
Double pairDistinct

Two different digits each appear twice.

Repetition · signal frequency

+15
22.38%
Rarity Explanation

Strongest signal: Digit sum 15. It appears in 13,992 supported numbers and contributes +123 after correlation decay.

Why is 25,215 unusual? Only 18.6% 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 Exceptional.

Your number

25,215

Distinct · Top 18.6%

Best one-digit neighbour

25,255

Exceptional · Top 1.66%

Position 4: 1 → 5 · +131 points.

Gained: Only two distinct digits, Digit sum 19, 2 distinct digits, Semiprime, 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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Similar interesting numbers

Explore a shared pattern, a comparable score, or a mathematical relationship. Every link explains its connection to 25,215.

Shared patterns

25,254 Score 334Shares double pair and harshad number.99,171 Score 196Shares double pair and harshad number.67,969 Score 223Shares double pair and harshad number.

Same length, nearby scores

77,706 Score 237Also 5 digits; 2 points higher.25,237 Score 232Also 5 digits; 3 points lower.25,195 Score 231Also 5 digits; 4 points lower.

Mathematical relationships

52,152 Score 212Same decimal digits, rotated into a different order.21,525 Score 472Same decimal digits, rotated into a different order.15,252 Score 269Same decimal digits, rotated into a different order.

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.

Harshad Numbers

A Harshad — or Niven — number is divisible by the sum of its own digits. 18 works because 1 + 8 = 9 and 18 ÷ 9 = 2.
Open in the calculator Compare this number Browse all patterns See the rarest numbers