Your number, one digit away
One digit away
One change could reach Singular.
Your number
400,504
Distinct · Top 12.5%
Position 4: 5 → 0 · +374 points.
Gained: Digit sum 8, Palindrome, Only two distinct digits, 2 distinct digits, Happy number, Quadruple digit, Adjacent digit run.
Lost: Digit sum 13, 3 distinct digits, Harshad number, Triple digit.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.