Your number, one digit away
One digit away
One change could reach Singular.
Your number
212,521
Extreme · Top 0.17%
Position 4: 5 → 1 · +162 points.
Gained: ABAB pattern, Digit sum 9, Only two distinct digits, 2 distinct digits, Harshad number, Zigzag digits.
Lost: Perfect square, Digit sum 13, 3 distinct digits, Semiprime.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.