Your number, one digit away

One digit away

One change could reach Singular.

Position 1: 8 → 7 · +490 points.

Gained: Palindrome, Binary palindrome, Only two distinct digits, Digit sum 22, 2 distinct digits, Semiprime, Happy number, Double pair.

Lost: Digit sum 23, Prime, 3 distinct digits, Repeated digit.

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