Your number, one digit away
One digit away
One change could reach Extreme.
Your number
7,840
Rare · Top 6.73%
Position 2: 8 → 1 · +297 points.
Gained: Triangular number, Digit sum 12, Zigzag digits, Harshad number.
Lost: Digit sum 19, Happy number.
35 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.