Numbers /7,123

How rare is 7,123?

7,123 scores 452 and sits in the Extreme tier — 1 in 210 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
7,123
Extreme
Rarity Score
452
Global Percentile
Top 0.48%
Same-length rank
Top 16.4%
Among 9,000 4-digit numbers
Traits Detected
5

RNGdle.net’s own rarity score. Top 0.48% 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 4 digits, including ties. How this differs from EP · Badge guide

Number DNA
7123
Lab Observations · Descriptive Only
4 digitsOdd numberZero-freeFirst > last1, 2, 3, 7 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
Length4 digits
Unique digits4
Digit sum13
Odd / even split3 / 1
Digital root4
Mathematical Properties
Semiprime
4 divisors
Not a perfect square
Not a perfect cube
Not a palindrome
Rarity Drivers
5 traits detected
Digit sum 13Extreme

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

Arithmetic · signal frequency

+138
1 in 121
Four-digit numberExtreme

One of 9,000 four-digit numbers in range.

Range · signal frequency

+136
1 in 111
Ascending segmentExceptional

Contains a run of three or more consecutive ascending digits.

Sequence · signal frequency

+102
2.88%
SemiprimeDistinct

The product of exactly two primes.

Factorization · signal frequency

+45
21.00%
4 distinct digitsNotable

This number uses an uncommon count of distinct digits.

Repetition · signal frequency

+31
34.47%
Rarity Explanation

Strongest signal: Digit sum 13. It appears in 8,232 supported numbers and contributes +138 after correlation decay.

Why is 7,123 unusual? Only 0.48% 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 digit, +147 points.

Your number

7,123

Extreme · Top 0.48%

Best one-digit neighbour

1,123

Extreme · Top 0.10%

Position 1: 7 → 1 · +147 points.

Gained: Digit sum 7, Prime, 3 distinct digits, Repeated digit.

35 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 7,123.

Shared patterns

2,234 Score 521Shares ascending segment and semiprime.3,455 Score 475Shares ascending segment and semiprime.3,459 Score 407Shares ascending segment and semiprime.

Same length, nearby scores

3,450 Score 450Also 4 digits; 2 points lower.6,022 Score 449Also 4 digits; 3 points lower.7,141 Score 458Also 4 digits; 6 points higher.

Mathematical relationships

1,237 Score 481Same decimal digits, rotated into a different order.2,371 Score 379Same decimal digits, rotated into a different order.3,712 Score 363Same 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.

Ascending Digit Runs

A partial climb: somewhere in the number sit three or more digits each one higher than the last, as in the 456 inside 74560.

Semiprime Numbers

A semiprime is a product of exactly two primes, counted with multiplicity — 15 = 3 × 5, and 49 = 7 × 7 counts too.
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