Your number, one digit away
One digit away
One change could reach Singular.
Your number
6,440
Exceptional · Top 1.32%
Position 4: 0 → 6 · +250 points.
Gained: Palindrome, Only two distinct digits, Digit sum 20, 2 distinct digits, Double pair.
Lost: Digit sum 14, 3 distinct digits, Harshad number, 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.