Your number, one digit away
One digit away
One change could reach Extreme.
Your number
636,921
Distinct · Top 19.2%
Position 1: 6 → 4 · +222 points.
Gained: Perfect square, Digit sum 25, 6 distinct digits, Semiprime.
Lost: Digit sum 27, 5 distinct digits, Happy number, Repeated digit.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.