Your number, one digit away
One digit away
One change could reach Extreme.
Your number
810,401
Rare · Top 8.15%
Position 4: 4 → 9 · +188 points.
Gained: Triangular number, Digit sum 19, Alternating parity, Harshad number.
Lost: Digit sum 14, Prime, Happy number.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.