Your number, one digit away

One digit away

One change could reach Exceptional.

Position 1: 5 → 7 · +99 points.

Gained: Binary palindrome, Digit sum 30, Happy number.

Lost: Digit sum 28, Zigzag digits, Semiprime.

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