Your number, one digit away
One digit away
One change could reach Extreme.
Your number
21,617
Rare · Top 5.24%
Position 5: 7 → 2 · +256 points.
Gained: Palindrome, Digit sum 12, Alternating parity, 3 distinct digits, Harshad number, Double pair.
Lost: Digit sum 17, Prime, 4 distinct digits, Happy number, Repeated digit.
44 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.