Your number, one digit away

One digit away

One change could reach Extreme.

Your number

4,215

Exceptional · Top 4.00%

Best one-digit neighbour

4,225

Extreme · Top 0.12%

Position 3: 1 → 2 · +273 points.

Gained: Perfect square, Digit sum 13, 3 distinct digits, Harshad number, Happy number, Repeated digit.

Lost: Digit sum 12, 4 distinct digits.

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