Your number, one digit away
One digit away
One change could reach Singular.
Your number
221,231
Extreme · Top 0.77%
Position 5: 3 → 1 · +186 points.
Gained: Binary palindrome, Digit sum 9, Only two distinct digits, 2 distinct digits, Harshad number.
Lost: Digit sum 11, Ascending segment, 3 distinct digits, Semiprime, Happy number.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.