Sandbox scoreRARE
6,816EP
Top 14.3621% · sandbox population rank
143,549 higher · 72 tied · 856,379 lower
The patterns
Matched badges / 2
Two Pair
Two distinct pairs of identical digits
+600 EPPrime Enigma
The numeric value is prime; leading zeros are allowed
+3,800 EPScores use independent sandbox rules at ×1. Top / Bottom percentages include tied scores across all 1,000,000 inputs; they are not official or lock-conditioned odds.
The possibilities
Best single-digit edits
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Keep exploring
Full archiveMathematical landmarks, familiar patterns, and surprising combinations.