Your number, one digit away

One digit away

One change could reach Singular.

Position 4: 7 → 1 · +217 points.

Gained: Triangular number, Digit sum 9, 3 distinct digits, Harshad number, Repeated digit.

Lost: Digit sum 15, Zigzag digits, Semiprime, 4 distinct digits.

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