Your number, one digit away
One digit away
One change could reach Extreme.
Your number
643,403
Distinct · Top 15.7%
Position 1: 6 → 5 · +201 points.
Gained: Triangular number, Descending segment, Digit sum 19.
Lost: Digit sum 20, Prime, Happy number.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.