Your number, one digit away
One digit away
One change could reach Singular.
Your number
21,002
Extreme · Top 0.37%
Position 4: 0 → 1 · +200 points.
Gained: Digit sum 6, Palindrome, Ascending segment, Harshad number, Alternating parity, Happy number.
Lost: Digit sum 5, Semiprime.
44 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.