Your number, one digit away
One digit away
One change could reach Extreme.
Your number
640,149
Standard · Top 58.7%
Position 2: 4 → 7 · +254 points.
Gained: Binary palindrome, Alternating parity, Digit sum 27, 6 distinct digits.
Lost: Digit sum 24, Semiprime, 5 distinct digits, Repeated digit.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.