Your number, one digit away
One digit away
One change could reach Extreme.
Your number
810,501
Exceptional · Top 2.57%
Position 4: 5 → 9 · +126 points.
Gained: Triangular number, Digit sum 19, Harshad number.
Lost: Digit sum 15, Semiprime, Happy number.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.