Your number, one digit away
One digit away
One digit, +90 points.
Your number
21,121
Extreme · Top 0.27%
Position 3: 1 → 3 · +90 points.
Gained: Triangular number, Digit sum 9, Descending segment, 3 distinct digits, Harshad number, Double pair, Happy number.
Lost: Digit sum 7, Only two distinct digits, Prime, 2 distinct digits, Triple digit.
44 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.