Your number, one digit away
One digit away
One change could reach Extreme.
Your number
428,501
Notable · Top 34.7%
Position 2: 2 → 9 · +252 points.
Gained: Triangular number, Alternating parity, Digit sum 27, Harshad number.
Lost: Digit sum 20, Semiprime.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.