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10

Ten is the natural number that comes after nine and before eleven. It is the base of the decimal system, the most widely used number system in everyday arithmetic, where each digit represents a power of 10.

Ten is a composite number with divisors 1, 2, 5, and 10. It marks the transition from

The word ten in English derives from Old English tēn, itself from Proto-Germanic *tehun-. The prefix deca-

In science and daily life, the base-10 system supports prefixes such as deca- (10^1) and underpins common

Culturally, tens influence various constructs such as time, money, and measurement, making ten a foundational figure

one-digit
to
two-digit
numerals.
In
Roman
numerals
it
is
represented
by
the
letter
X.
In
other
numeral
systems,
ten
is
expressed
differently:
in
binary
it
is
1010,
in
hexadecimal
it
is
A,
and
in
octal
it
is
12.
(as
in
decimal
or
decade)
comes
from
Greek
deka,
while
decimal
notation
and
the
broader
decimal
system
are
historically
tied
to
the
Latin
decimus
and
related
terms.
The
decimal
base
10
has
influenced
the
development
of
mathematics,
measurement,
and
numeral
notation
across
many
cultures.
logarithms
with
base
10
(log10).
The
term
decade
denotes
a
period
of
ten
years,
and
the
number
ten
frequently
appears
in
scoring,
ranking,
and
counting
traditions,
including
the
expression
of
the
“top
ten”
items
in
lists.
in
numeracy
and
everyday
reasoning.