Your number, one digit away

One digit away

One change could reach Extreme.

Your number

644,400

Distinct · Top 11.5%

Best one-digit neighbour

144,400

Extreme · Top 0.31%

Position 1: 6 → 1 · +229 points.

Gained: Perfect square, Digit sum 13, Happy number.

Lost: Digit sum 18, Harshad number.

53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.