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A new problem

Number Theory Level pending

Convert 764 to base 7.

2159 1771 2141

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Excel in math and science

Master concepts by solving fun, challenging problems.

It's hard to learn from lectures and videos

Learn more effectively through short, interactive explorations.

Used and loved by over 5 million people

Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.

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by vishwathiga jayasankar

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