Your number, one digit away
One digit away
One change could reach Exceptional.
Your number
12,399
Rare · Top 6.08%
Position 4: 9 → 2 · +67 points.
Gained: Digit sum 17, Prime, Alternating parity.
Lost: Digit sum 24, Semiprime, Happy number.
44 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.