Your number, one digit away
One digit away
One change could reach Singular.
Your number
21,015
Exceptional · Top 2.13%
Position 5: 5 → 2 · +323 points.
Gained: Digit sum 6, Palindrome, Ascending segment, 3 distinct digits, Double pair, Alternating parity.
Lost: Digit sum 9, 4 distinct digits, Repeated digit.
44 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.