Your number, one digit away
One digit away
One change could reach Extreme.
Your number
644,654
Exceptional · Top 3.36%
Position 5: 5 → 4 · +217 points.
Gained: ABCABC pattern, Only two distinct digits, Digit sum 28, 2 distinct digits, Harshad number, Quadruple digit.
Lost: Descending segment, Digit sum 29, 3 distinct digits, Semiprime, Triple digit.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.