Your number, one digit away
One digit away
One change could reach Extreme.
Your number
721,201
Notable · Top 26.1%
Position 1: 7 → 3 · +340 points.
Gained: Triangular number, Digit sum 9, Descending segment, Happy number.
Lost: Digit sum 13.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.