Your number, one digit away

One digit away

One change could reach Extreme.

Position 1: 4 → 1 · +343 points.

Gained: Perfect square, Digit sum 9, Ascending segment, Double pair, Harshad number, 4 distinct digits, Happy number.

Lost: Digit sum 12, Semiprime, 5 distinct digits, Repeated digit.

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