Your number, one digit away

One digit away

One change could reach Singular.

Position 3: 7 → 1 · +306 points.

Gained: Binary palindrome, Digit sum 17, Prime, 3 distinct digits, Zigzag digits, Repeated digit.

Lost: Digit sum 23, Semiprime, 4 distinct digits, Harshad number, Happy number.

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