Your number, one digit away
One digit away
One change could reach Extreme.
Your number
877,187
Rare · Top 7.23%
Position 3: 7 → 8 · +249 points.
Gained: Binary palindrome, Digit sum 39, Alternating parity, Zigzag digits, Happy number.
Lost: Digit sum 38, Prime.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.