Your number, one digit away

One digit away

One change could reach Singular.

Your number

554,545

Exceptional · Top 1.80%

Best one-digit neighbour

454,545

Singular · Top 0.10%

Position 1: 5 → 4 · +250 points.

Gained: ABAB pattern, Digit sum 27, Alternating parity, Harshad number, Zigzag digits, Triple digit.

Lost: Digit sum 28, Semiprime, Quadruple digit.

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