Your number, one digit away

One digit away

One change could reach Singular.

Position 4: 5 → 1 · +461 points.

Gained: ABAB pattern, Palindrome, Digit sum 17, Semiprime, Zigzag digits, Triple digit.

Lost: Digit sum 21, Harshad number, Quadruple digit, Adjacent digit run.

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