Your number, one digit away
One digit away
One change could reach Extreme.
Your number
3,580
Rare · Top 7.23%
Position 3: 8 → 7 · +220 points.
Gained: Triangular number, Digit sum 15, Harshad number.
Lost: Digit sum 16.
35 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.