4789
This number is a prime.
Methuselah was 4789 years old when sampled in 1957 by Schulman and Harlan. This Great Basin Bristlecone Pine (Pinus longaeva) lives in the White Mountains of California.
The smallest distinct-digit prime such that the sum of its digits is a perfect number. [Loungrides]
(There is one curio for this number that has not yet been approved by an editor.)
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