Your number, one digit away

One digit away

One change could reach Extreme.

Your number

643,929

Standard · Top 68.3%

Best one-digit neighbour

683,929

Extreme · Top 0.79%

Position 2: 4 → 8 · +266 points.

Gained: Perfect square, Digit sum 37, Zigzag digits, Semiprime.

Lost: Digit sum 33, Harshad number.

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