Your number, one digit away
One digit away
One digit, +91 points.
Your number
9,900
Extreme · Top 0.32%
Position 1: 9 → 4 · +91 points.
Gained: Perfect square, Digit sum 13, 3 distinct digits, Happy number, Repeated digit.
Lost: Only two distinct digits, Digit sum 18, 2 distinct digits, Harshad number, Double pair.
35 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.