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fiftynine

Fiftynine is the integer 59, the number that follows fifty-eight and precedes sixty. It is a prime number, the 17th prime, and has a digit sum of 14. In various numeral systems, it is represented as 59 in decimal, LIX in Roman numerals, 111011 in binary, and 0x3B in hexadecimal. In ASCII, the decimal code 59 corresponds to the semicolon character.

In science, the element with atomic number 59 is praseodymium, a soft, silvery lanthanide. Praseodymium is used

In calendar terms, the 59th day of a common year is February 28; in a leap year,

Culturally, 59 is encountered as a two-digit prime often cited in mathematical examples and puzzles. It also

in
some
magnets,
high-strength
alloys,
and
glass
coloration,
and
it
also
appears
in
various
specialized
applications
such
as
catalysts
and
ceramics.
February
28
remains
the
59th
day,
while
February
29
is
the
60th.
The
name
fiftynine
itself
comes
from
the
combination
of
the
words
for
fifty
and
nine
in
English.
appears
in
various
branding,
product
codes,
and
numerical
references
where
two-digit
primes
are
of
interest.
Overall,
fiftynine
is
most
commonly
recognized
for
its
mathematical
properties,
numeral
representations,
and
its
association
with
the
element
praseodymium
in
the
periodic
table.