Your number, one digit away
One digit away
One change could reach Extreme.
Your number
21,671
Notable · Top 27.1%
Position 2: 1 → 9 · +205 points.
Gained: Binary palindrome, Digit sum 25, Prime, Zigzag digits, 5 distinct digits.
Lost: Digit sum 17, Semiprime, 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.