189871
This number is a composite.
π(189871) = 1^4 + 8^4 + 9^4 + 8^4 + 7^4 + 1^4. It is the largest number with this property. [Gupta]
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This number is a composite.
π(189871) = 1^4 + 8^4 + 9^4 + 8^4 + 7^4 + 1^4. It is the largest number with this property. [Gupta]