Your number, one digit away

One digit away

One change could reach Extreme.

Your number

21,945

Exceptional · Top 1.18%

Best one-digit neighbour

21,845

Extreme · Top 0.22%

Position 3: 9 → 8 · +134 points.

Gained: Hex repdigit, Digit sum 20, Binary palindrome.

Lost: Triangular number, Digit sum 21, Harshad number.

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