Your number, one digit away
One digit away
One change could reach Extreme.
Your number
621,155
Notable · Top 36.3%
Position 4: 1 → 0 · +247 points.
Gained: Triangular number, Descending segment, Digit sum 19, 5 distinct digits, Happy number, Repeated digit.
Lost: Digit sum 20, Semiprime, Double pair, 4 distinct digits.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.