Your number, one digit away

One digit away

One change could reach Extreme.

Your number

21,099

Distinct · Top 12.9%

Best one-digit neighbour

21,029

Extreme · Top 0.29%

Position 4: 9 → 2 · +242 points.

Gained: Binary palindrome, Digit sum 14, Semiprime.

Lost: Digit sum 21, Happy number.

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