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Number 878777

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Sandbox scoreLEGENDARY

23,799EP

Top 1.4026% · sandbox population rank

14,024 higher · 2 tied · 985,974 lower

The patterns

Matched badges / 4

Quad Squad

The largest repeated digit group has exactly 4 digits (e.g. 333391)

+9,000 EP

Bicolor

Only 2 unique digit types across all 6 positions

+4,500 EP

Prime Enigma

The numeric value is prime; leading zeros are allowed

+3,800 EP

Jackpot 777

Contains lucky triple sevens 777

+3,777 EP

Explore all sandbox badge rules →

Scores 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

All 54 changes checked. Follow a number to compare.

01878787Digit 5: 7 → 8+48,810EP 02778777Digit 1: 8 → 7+37,522EP 03877777Digit 3: 8 → 7+32,028EP 04888777Digit 2: 7 → 8+2,188EP 05808777Digit 2: 7 → 0+1,829EP

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Full archive

Mathematical landmarks, familiar patterns, and surprising combinations.

524287 524087 594287 524387 777777 420069 123456 314159 000000 999999