Your number, one digit away
One digit away
One digit, +129 points.
Your number
31
Singular · Top <0.01%
Position 1: 3 → 2 · +129 points.
Gained: Fibonacci number, Digit sum 3, Triangular number, Harshad number, Semiprime.
Lost: All ones in binary, Digit sum 4, Prime, Happy number.
17 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.