Numbers /311

How rare is 311?

311 scores 678 and sits in the Singular tier — 1 in 1,675 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
311
Singular
Rarity Score
678
Global Percentile
Top 0.06%
Same-length rank
Top 15.2%
Among 900 3-digit numbers
Traits Detected
5

RNGdle.net’s own rarity score. Top 0.06% 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 3 digits, including ties. How this differs from EP · Badge guide

Number DNA
311
Lab Observations · Descriptive Only
3 digitsOdd numberZero-freeFirst > last1 × 2

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

Digit Profile
Length3 digits
Unique digits2
Digit sum5
Odd / even split3 / 0
Digital root5
Mathematical Properties
Prime number
2 divisors
Not a perfect square
Not a perfect cube
Not a palindrome
Rarity Drivers
5 traits detected
Digit sum 5Singular

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

Arithmetic · signal frequency

+239
1 in 3,968
Three-digit numberSingular

One of only 900 three-digit numbers in range.

Range · signal frequency

+202
1 in 1,111
2 distinct digitsExtreme

This number uses an uncommon count of distinct digits.

Repetition · signal frequency

+155
1 in 217
PrimeRare

Divisible only by 1 and itself.

Factorization · signal frequency

+73
7.85%
Repeated digitNotable

Exactly one digit appears twice.

Repetition · signal frequency

+8
45.77%
Rarity Explanation

Strongest signal: Digit sum 5. It appears in 252 supported numbers and contributes +239 after correlation decay.

Why is 311 unusual? Only 0.06% of the 1,000,001 supported numbers receive an equal or higher rarity score. This number falls in the Singular 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, +443 points.

Your number

311

Singular · Top 0.06%

Best one-digit neighbour

111

Singular · Top <0.01%

Position 1: 3 → 1 · +443 points.

Gained: All digits identical, Digit sum 3, Palindrome, 1 distinct digit, Semiprime, Harshad number.

26 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 311.

Shared patterns

277 Score 555Shares repeated digit and prime.337 Score 577Shares repeated digit and prime.211 Score 698Shares repeated digit and prime.

Same length, nearby scores

324 Score 678Also 3 digits; the same rarity score.878 Score 678Also 3 digits; the same rarity score.292 Score 683Also 3 digits; 5 points higher.

Mathematical relationships

113 Score 678The decimal digits in reverse order.131 Score 857Same 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.

Numbers With One Repeated Digit

The mildest form of repetition: exactly one digit appears twice, and every other digit is distinct — as in 1231 or 405067.

Prime Numbers

A prime has no divisors other than 1 and itself. They are the building blocks every other number is assembled from.
Open in the calculator Compare this number Browse all patterns See the rarest numbers