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This number is a prime.
Just showing those entries submitted by 'Silva':
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The product of the nonzero even digits minus 1. [Silva]
The sum of three consecutive balanced primes (53 + 157 + 173). [Silva]
383 = 3^5 + 1^4 + 4^1 + 1^9 + 5^3 + 9^1. Note the first six digits of
the decimal expansion of π as bases and exponents. [Silva]
(There is one curio for this number that has not yet been approved by an editor.)
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