Your number, one digit away
One digit away
One change could reach Extreme.
Your number
657,660
Notable · Top 48.4%
Position 6: 0 → 9 · +257 points.
Gained: Binary palindrome, Digit sum 39, Semiprime, Happy number.
Lost: Digit sum 30, Harshad number.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.