Numbers /1,351

How rare is 1,351?

1,351 scores 430 and sits in the Extreme tier — 1 in 157 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
1,351
Extreme
Rarity Score
430
Global Percentile
Top 0.64%
Same-length rank
Top 21.7%
Among 9,000 4-digit numbers
Traits Detected
5

RNGdle.net’s own rarity score. Top 0.64% 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
1351
Lab Observations · Descriptive Only
4 digitsOdd numberZero-freeMatching endpoints1 × 23, 5 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 digits3
Digit sum10
Odd / even split4 / 0
Digital root1
Mathematical Properties
Semiprime
4 divisors
Not a perfect square
Not a perfect cube
Not a palindrome
Rarity Drivers
5 traits detected
Digit sum 10Extreme

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

Arithmetic · signal frequency

+168
1 in 334
Four-digit numberExtreme

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

Range · signal frequency

+136
1 in 111
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%
Repeated digitNotable

Exactly one digit appears twice.

Repetition · signal frequency

+8
45.77%
Rarity Explanation

Strongest signal: Digit sum 10. It appears in 2,997 supported numbers and contributes +168 after correlation decay.

Why is 1,351 unusual? Only 0.64% 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

1,351

Extreme · Top 0.64%

Best one-digit neighbour

1,331

Singular · Top <0.01%

Position 3: 5 → 3 · +561 points.

Gained: Perfect cube, Digit sum 8, Palindrome, Only two distinct digits, 2 distinct digits, Double pair.

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 1,351.

Shared patterns

5,465 Score 416Shares repeated digit and semiprime.7,647 Score 348Shares repeated digit and semiprime.1,343 Score 419Shares repeated digit and semiprime.

Same length, nearby scores

1,381 Score 429Also 4 digits; 1 points lower.5,503 Score 429Also 4 digits; 1 points lower.1,332 Score 428Also 4 digits; 2 points lower.

Mathematical relationships

3,511 Score 458Same decimal digits, rotated into a different order.5,113 Score 637Same decimal digits, rotated into a different order.1,135 Score 430Same 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.

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