Your number, one digit away

One digit away

One change could reach Singular.

Your number

6,409

Rare · Top 6.73%

Best one-digit neighbour

6,400

Singular · Top 0.10%

Position 4: 9 → 0 · +321 points.

Gained: Perfect square, Digit sum 10, 3 distinct digits, Harshad number, Repeated digit.

Lost: Digit sum 19, 4 distinct digits, Happy number.

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