Your number, one digit away
One digit away
One change could reach Extreme.
Your number
456,521
Rare · Top 5.16%
Position 5: 2 → 7 · +170 points.
Gained: Binary palindrome, Digit sum 28, Prime.
Lost: Digit sum 23, Semiprime, Alternating parity.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.