Numbers /1
How rare is 1?
1 scores 1,510 and sits in the Singular tier — 1 in 500,000 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.
RNGdle.net’s own rarity score. Top <0.01% 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 1 digit, including ties. How this differs from EP · Badge guide
These notes make the number easy to read, but they add no score unless a separately counted rarity signal appears below.
This number's digits add up to an uncommon total.
Arithmetic · signal frequency
Equal to k! for some k.
Factorization · signal frequency
Only 10 of the 1,000,001 supported numbers have one digit.
Range · signal frequency
This number uses an uncommon count of distinct digits.
Repetition · signal frequency
2 raised to an integer power.
Factorization · signal frequency
Appears in the Fibonacci sequence.
Factorization · signal frequency
Divisible by the sum of its digits.
Arithmetic · signal frequency
An integer cubed.
Factorization · signal frequency
Iterating the sum of squared digits reaches 1.
Arithmetic · signal frequency
An integer squared.
Factorization · signal frequency
A sum 1 + 2 + … + k for some k.
Factorization · signal frequency
Strongest signal: Digit sum 1. It appears in 7 supported numbers and contributes +342 after correlation decay.
Why is 1 unusual? Only <0.01% 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, +167 points.
Your number
1
Singular · Top <0.01%
Position 1: 1 → 3 · +167 points.
Gained: All ones in binary, Digit sum 3, Binary palindrome, Prime.
9 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 →Similar interesting numbers
Explore a shared pattern, a comparable score, or a mathematical relationship. Every link explains its connection to 1.
Shared patterns
Same length, nearby scores
Patterns in this number
Each of these has its own page explaining how common the pattern is and why.
Harshad Numbers
A Harshad — or Niven — number is divisible by the sum of its own digits. 18 works because 1 + 8 = 9 and 18 ÷ 9 = 2.
Happy Numbers
Square each digit, add them up, repeat. If you eventually reach 1 the number is happy; if not, you fall into a cycle. 19 → 82 → 68 → 100 → 1.
Perfect Squares
A perfect square is some whole number times itself: 144 = 12², 10000 = 100². The range ends neatly on 1,000,000 = 1000².
Perfect Cubes
A perfect cube is a whole number raised to the third power: 216 = 6³, 970299 = 99³. There are only about a hundred in the entire range.
Powers of Two
Each power of two is double the last: 1, 2, 4, 8, 16, and on up through 1024, 65536 and 524288. Doubling exhausts the range in only twenty steps.
Fibonacci Numbers
Each Fibonacci number is the sum of the two before it: 1, 1, 2, 3, 5, 8, 13 … reaching 832040 before the range runs out.
Triangular Numbers
A triangular number counts the dots in a triangle: 1, 3, 6, 10, 15, 21 — each one the running total 1 + 2 + … + k.
Factorial Numbers
A factorial multiplies together every whole number up to k: 5! = 120, 7! = 5040, 9! = 362880. The next one after that already overshoots a million.