Your number, one digit away
One digit away
One change could reach Exceptional.
Your number
643,916
Standard · Top 78.8%
Position 1: 6 → 1 · +225 points.
Gained: Triangular number, Digit sum 24, Zigzag digits.
Lost: Digit sum 29, Harshad number.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.