Your number, one digit away
One digit away
One change could reach Extreme.
Your number
21,303
Exceptional · Top 4.49%
Position 3: 3 → 0 · +99 points.
Gained: Digit sum 6, Descending segment, Semiprime.
Lost: Digit sum 9, Zigzag digits, Harshad number, Happy number.
44 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.