Your number, one digit away
One digit away
One change could reach Extreme.
Your number
407,653
Rare · Top 6.45%
Position 4: 6 → 2 · +141 points.
Gained: Triangular number, Digit sum 21, Zigzag digits, Harshad number, Happy number.
Lost: Descending segment, Digit sum 25, Semiprime.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.