Your number, one digit away

One digit away

One change could reach Extreme.

Your number

21,543

Distinct · Top 14.1%

Best one-digit neighbour

29,543

Extreme · Top 0.56%

Position 2: 1 → 9 · +189 points.

Gained: Binary palindrome, Digit sum 23, Semiprime.

Lost: Digit sum 15.

44 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.