71
This number is a prime.
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| Jeffery Marshall © 2002 |
The smallest prime p such that p4
= q3 + r2 is soluble in
positive integers : 714 = 1363 +
47852. [Beedassy]
Having varied widely over the decades and constantly being
narrowed, the Hubble's constant H0 (a measure of
the Universe's observed expansion rate) current best
estimates revolve around 71 km/s/Mpc (kilometers per second
for each megaparsec or about 3.3 million light years away
from the Earth). [Beedassy]
The smallest emirp whose binary reversal (11100012) corresponds to another emirp (113). [Beedassy]
The smallest emirp p which taken together with the
pth prime is also an emirp (71353). [Beedassy]
The first occurrence of three successive emirps in the sequence of primes: 71, 73, 79. [Beedassy]
(There are 2 curios for this number that have not yet been approved by an editor.)
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