Your number, one digit away
One digit away
One change could reach Exceptional.
Your number
639,870
Rare · Top 7.13%
Position 6: 0 → 4 · +31 points.
Gained: Digit sum 37, Semiprime.
Lost: Digit sum 33, Harshad number, Happy number.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.