Numbers /720,121

How rare is 720,121?

720,121 scores 340 and sits in the Exceptional tier — 2.53% 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
720,121
Exceptional
Rarity Score
340
Global Percentile
Top 2.53%
Same-length rank
Top 1.69%
Among 900,000 6-digit numbers
Traits Detected
5

RNGdle.net’s own rarity score. Top 2.53% 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 6 digits, including ties. How this differs from EP · Badge guide

Number DNA
720121
Lab Observations · Descriptive Only
6 digitsOdd number1 zeroFirst > last1 × 2 · 2 × 20, 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
Length6 digits
Unique digits4
Digit sum13
Odd / even split3 / 3
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
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%
Double pairDistinct

Two different digits each appear twice.

Repetition · signal frequency

+43
22.38%
4 distinct digitsNotable

This number uses an uncommon count of distinct digits.

Repetition · signal frequency

+11
34.47%
Rarity Explanation

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

Why is 720,121 unusual? Only 2.53% of the 1,000,001 supported numbers receive an equal or higher rarity score. This number falls in the Exceptional 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 Extreme.

Your number

720,121

Exceptional · Top 2.53%

Best one-digit neighbour

120,121

Extreme · Top 0.37%

Position 1: 7 → 1 · +135 points.

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

53 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 720,121.

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