Your number, one digit away
One digit away
One change could reach Singular.
Your number
42,021
Extreme · Top 0.72%
Position 1: 4 → 1 · +191 points.
Gained: Digit sum 6, Palindrome, 3 distinct digits, Zigzag digits, Semiprime, Happy number, Double pair.
Lost: Binary palindrome, Digit sum 9, 4 distinct digits, Harshad number, Repeated digit.
44 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.