Your number, one digit away
One digit away
One change could reach Extreme.
Your number
21,129
Rare · Top 8.33%
Position 5: 9 → 1 · +224 points.
Gained: Digit sum 7, Only two distinct digits, Prime, 2 distinct digits, Triple digit.
Lost: Digit sum 15, 3 distinct digits, Semiprime, Happy number, Double pair.
44 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.