Numbers /591

How rare is 591?

591 scores 444 and sits in the Extreme tier — 1 in 190 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
591
Extreme
Rarity Score
444
Global Percentile
Top 0.53%
Same-length rank
Top 67.9%
Among 900 3-digit numbers
Traits Detected
4

RNGdle.net’s own rarity score. Top 0.53% 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
591
Lab Observations · Descriptive Only
3 digitsOdd numberZero-freeFirst > last1, 5, 9 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
Length3 digits
Unique digits3
Digit sum15
Odd / even split3 / 0
Digital root6
Mathematical Properties
Semiprime
4 divisors
Not a perfect square
Not a perfect cube
Not a palindrome
Rarity Drivers
4 traits detected
Three-digit numberSingular

One of only 900 three-digit numbers in range.

Range · signal frequency

+202
1 in 1,111
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%
SemiprimeDistinct

The product of exactly two primes.

Factorization · signal frequency

+45
21.00%
Rarity Explanation

Strongest signal: Three-digit number. It appears in 900 supported numbers and contributes +202 after correlation decay.

Why is 591 unusual? Only 0.53% of the 1,000,001 supported numbers receive an equal or higher rarity score. This number falls in the Extreme 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 Singular.

Your number

591

Extreme · Top 0.53%

Best one-digit neighbour

511

Singular · Top <0.01%

Position 2: 9 → 1 · +574 points.

Gained: All ones in binary, Digit sum 7, 2 distinct digits, Binary palindrome, Harshad number, Repeated digit.

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 591.

Shared patterns

553 Score 549Shares semiprime.597 Score 414Shares semiprime.586 Score 421Shares semiprime.

Same length, nearby scores

681 Score 444Also 3 digits; the same rarity score.573 Score 444Also 3 digits; the same rarity score.604 Score 443Also 3 digits; 1 points lower.

Mathematical relationships

915 Score 422Same decimal digits, rotated into a different order.159 Score 444Same decimal digits, rotated into a different order.195 Score 602The decimal digits in reverse order.

Patterns in this number

Each of these has its own page explaining how common the pattern is and why.

Semiprime Numbers

A semiprime is a product of exactly two primes, counted with multiplicity — 15 = 3 × 5, and 49 = 7 × 7 counts too.
Open in the calculator Compare this number Browse all patterns See the rarest numbers