Your number, one digit away

One digit away

One change could reach Extreme.

Your number

21,257

Notable · Top 37.6%

Best one-digit neighbour

21,157

Extreme · Top 0.87%

Position 3: 2 → 1 · +214 points.

Gained: Binary palindrome, Digit sum 16, Prime.

Lost: Digit sum 17, Semiprime.

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