Your number, one digit away

One digit away

One change could reach Singular.

Your number

4,009

Extreme · Top 0.74%

Best one-digit neighbour

9,009

Singular · Top 0.02%

Position 1: 4 → 9 · +398 points.

Gained: Palindrome, Binary palindrome, Only two distinct digits, Digit sum 18, 2 distinct digits, Double pair.

Lost: Digit sum 13, 3 distinct digits, Semiprime, Happy number, Repeated digit.

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