Your number, one digit away
One digit away
One change could reach Extreme.
Your number
677,541
Exceptional · Top 3.80%
Position 3: 7 → 4 · +108 points.
Gained: Triangular number, Alternating parity, Digit sum 27, Harshad number.
Lost: Binary palindrome, Digit sum 30, Happy number.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.