Your number, one digit away

One digit away

One change could reach Singular.

Position 4: 1 → 5 · +289 points.

Gained: Triangular number, Only two distinct digits, Digit sum 21, 2 distinct digits, Harshad number, Triple digit.

Lost: Digit sum 17, 3 distinct digits, Semiprime, Repeated digit.

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