Your number, one digit away

One digit away

One change could reach Singular.

Position 4: 5 → 8 · +504 points.

Gained: Triangular number, Palindrome, Only two distinct digits, Digit sum 30, 2 distinct digits, Happy number, Double pair.

Lost: Digit sum 27, 3 distinct digits, Harshad number, Repeated digit.

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