Your number, one digit away

One digit away

One change could reach Extreme.

Your number

640,433

Standard · Top 53.9%

Best one-digit neighbour

140,433

Extreme · Top 0.95%

Position 1: 6 → 1 · +232 points.

Gained: Binary palindrome, Digit sum 15, Semiprime.

Lost: Digit sum 20, Happy number.

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