Your number, one digit away

One digit away

One change could reach Exceptional.

Your number

637,491

Distinct · Top 23.3%

Best one-digit neighbour

637,401

Exceptional · Top 1.43%

Position 5: 9 → 0 · +154 points.

Gained: Binary palindrome, Digit sum 21, Semiprime.

Lost: Digit sum 30, Zigzag digits, Happy number.

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