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Number 217421

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Sandbox scoreRARE

7,099EP

Top 12.8687% · sandbox population rank

128,639 higher · 48 tied · 871,313 lower

The patterns

Matched badges / 2

Two Pair

Two distinct pairs of identical digits

+600 EP

Prime Enigma

The numeric value is prime; leading zeros are allowed

+3,800 EP

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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.

01217721Digit 4: 4 → 7+23,577EP 02214421Digit 3: 7 → 4+23,409EP 03217121Digit 4: 4 → 1+14,396EP 04211421Digit 3: 7 → 1+11,086EP 05212421Digit 3: 7 → 2+10,920EP

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524287 524087 594287 524387 777777 420069 123456 314159 000000 999999