Your number, one digit away
One digit away
One change could reach Singular.
Your number
409
Extreme · Top 0.25%
Position 3: 9 → 0 · +341 points.
Gained: Digit sum 4, Perfect square, 2 distinct digits, Harshad number, Repeated digit.
Lost: Digit sum 13, Prime, 3 distinct digits, Happy number.
26 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.