Your number, one digit away

One digit away

One change could reach Extreme.

Your number

128,201

Distinct · Top 11.8%

Best one-digit neighbour

123,201

Extreme · Top 0.14%

Position 3: 8 → 3 · +309 points.

Gained: Perfect square, Digit sum 9, Ascending segment, Harshad number, Happy number.

Lost: Digit sum 14, Prime.

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